The Seed. News that grows on you. University of Maryland Extension, Montgomery County, MD, Master Gardeners

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1 News that grows on you University of Maryland Extension, Montgomery County, MD, Master Gardeners The Class of 2013 Bright-eyed and bushy-tailed Welcome to the Class of They re 52 members strong who all passed the exam. Between the preand post-test, the average score improved by 12 points out of a total of 50. And in the dubious tradition of many previous Master Gardener classes, the question about pounds of nitrogen in a 50-pound bag of fertilizer still stumped many, even after the course. We welcome you to try as many diverse activities as you can this first year. The famous metaphorical saying, "Let a hundred flowers blossom," has double relevance for every new Master Gardener class. See ya around. Photo by Brenda Daines, MG intern Read what MG Eric Wenger advises about cicadas. Photo by JM Jacoby, from Wikimedia Images. What s Eric saying about us? Click here for all the facts. Continued on page 3 What s Inside The President s Column... 2 Photos of the Month... 2 Cicadas Q&A... 3 Announcements... 4 Membership Meeting... 4 Open Garden... 5 Ask and Answer... 6 Stumped... 7 How to Submit Articles... 7 Continuing Education Corner... 8 Quick Links Board Meeting Minutes Board Members, Committees and Services GIEI Blog Green Sheets Home & Garden Info Center Join the Listserv MG Information Sheet Native Plant Center Insect Data Base Plant Clinics Derwood Demo Gardens Propose New Activity Discounts for MGs at Nurseries and Stores Monthly Membership Meetings MG Website Click here for info on the May Meeting at the Fairgrounds

2 P A G E 2 Team Nancy Moses Greenblatt Editor-in-Chief Deborah Petro Julie Super Production Co-Editors Katie Mcle Senior Editor, Editor, Ask & Answer Julie Mangin Photo Editor Claudia Sherman Editor, Continuing Education Corner Diyan Rahaman Editor, STUMPED Tech Support Betty Cochran Copy Editor Anne Abend, Rachel Shaw Contributors The President s Column May 2013 Am I talking to a real person? Last month had a great lead article about Plant Clinics. As I read what Committee Chair Sue Kuklewicz had to say about the expansion of our Plant Clinic program over the last several years, I started thinking again about personal interaction and our Mission. In October 2012, I wrote about Master Gardening as a continuum of nurturing that article focused mainly on Therapeutic Horticulture. Now, I m wondering where the Plant Clinics fit on such a continuum. Plant Clinics are essential to our mission alignment; the Clinics are all about educating the residents of our communities. However, there s another aspect of the Plant Clinic that interests me. In this digital age, we spend hours connected, but our heads are down as we text and surf sometimes for fun, other times for knowledge. We have ready access to answers for any question that comes to mind on a Tablet, Smartphone, ipad, Notebook, etc. So what draws folks to our Plant Clinics? Is it a desire to confirm that the online answer to that gardening problem is the correct one? Photos of the Month Possibly, but let s not overlook the human element a need to be nurtured. by Julia Horman I think part of the draw of the Plant Clinic is related to the satisfaction we get when our call to a customer service center is answered by a live body, and the pleasure we find in smiling faces and lively conversation. MC- Master Gardeners enthusiasm for the UME mission is a lure that attracts local residents to Plant Clinics, and other activities such as our recent Mini-conference and GIEI Spring Event. We Master Gardeners so obviously get a kick out of talking to our neighbors on any horticultural topic weeds, bugs, dead grass, too many deer, best native plants, invasives, new fertilizer rules that we re practically irresistible. Julia Native plants on the Potomac Heritage Trail in Virginia. Bloodroot and Bluebells Photos by Julie Mangin. Continued on page 4

3 P A G E 3 An original Seed Q&A with Eric about yummy cicadas : Where have the cicadas been for the last 17 years? Eric: They ve been underground, feeding on tree roots and awaiting the trigger that sends them to the surface. : Is the coming "visit" that of the 17-year type or something else? Eric: There will be the regular annual cicadas that emerge every late summer. There will also be an emergence of Brood II of the Periodical cicadas that are part of the 17-year cycle. This is not the full emergence of Brood X that will take place in This is a smaller emergence that takes place in southern Montgomery County, Prince George s County, Southern Maryland, and parts of Pennsylvania. According to the National Geographic website named after the cicada genus, they will emerge when the temperature at eight inches deep in the ground reaches 64 degrees. Eric: Typical damage is flagging and breaking of twig size branches on trees of all sizes, but damage can be severe on smaller trees and fruit trees. Are there any damage prevention tactics? Floating row covers and bird netting can be put on smaller plant material and fruit-bearing plants. Larger plants will have to fare on their own. No pesticides should be used. : What cicada facts should Master Gardeners who staff clinics know? Eric: Moles, skunks, and raccoons will be tearing up peoples lawns searching for them so that the yard looks rototilled! No pesticides are recommended for the control of these insects and none should be used. These Periodical cicadas are black with red eyes. They only appear in certain parts of the country, Primarily in the east and mid-west. Our Mission: To support the University of Maryland Extension mission by educating residents about safe, effective and sustainable horticultural practices that build healthy gardens, landscapes, and communities. Our Vision: The Maryland Master Gardener vision is a healthier world through environmental stewardship. Disclaimer: All opinions regarding businesses or their products are those of the authors and not of the University of Maryland. Cicadas invade the planter on a deck in Silver Spring, May Photo by Julie Mangin : What type of damage to trees and shrubs could we see? Eric: Most folks won t see any damage to their trees and shrubs unless they look closely. The female cicada uses her ovipositor to slice into small branches and twigs that can cause scarring. Also, if large numbers are on single plants, there can be feeding damage. This is typically not a big problem unless the plant is a fruit tree or small ornamental such as a Japanese maple, etc. : Will there be damage to other plant material? : Do you have any funny stories to tell from your experiences or your clients experiences with Cicadas? Eric: The best stories about these Periodical cicadas usually involve peoples dogs and cats eating them, to EXCESS! And then throwing up. They taste really good and all types of animals like to eat them, including snakes, spiders, moles, skunks, raccoons, squirrels, rats, birds, and of course dogs and cats. People eat them too, including me! They are quite tasty if you can get over the initial angst of eating a big bug. I did not eat them raw; they were spiced and deep fried. *Eric is a long-time Master Gardener who is President of Complete Lawn Care, Inc. and Complete Plant Health Care, Inc. He would like to acknowledge the University of Maryland Extension TPM/IPM Report March 29, 2013, from which a lot of the above information was gathered. EEO Statement: The University of Maryland Extension programs are open to any person and will not discriminate against anyone because of race, age, sex, color, sexual orientation, physical or mental disability, religion, ancestry national origin, marital status, genetic information, political affiliation, and gender identity or expression. Montgomery County Master Gardeners Muncaster Road Derwood, MD mgmont@umd.edu Website Direct correspondence to: Stephen Dubik University of Maryland Extension Master Gardener Coordinator and Horticultural Consultant

4 P A G E 4 Photo Pin Up s Announcements General Membership Meeting Where: Fairgrounds When: Thursday, May 2, 2013; 9:30 a.m. mingle; 10 a.m. meeting Speaker: Dr. Teija Reyes MG BENEFIT Topic: Global Importance of Agroforestry and Home Gardens (Linking Grow-It-Eat-it) Dr. Reyes has a Dr. Science (PhD) in Tropical Forestry Science with a specialty in agroforestry and social forestry. She will provide a short introduction to agroforestry and home gardening. She will then discuss home gardens worldwide--their importance to local households and the environment. She has worked on development cooperative projects in the Miombo woodlands forest in Tanzania and worked in Peru and Burkina Faso. Her research included finding ways for farmers to cultivate their lands more profitably and sustainably and in ways that preserve the biodiversity in rich natural forests. Click for directions. Letters to the Editor Dear Editor, I wish to extend my heartfelt thanks to all of you who gave me such support during the past 15 months. I have tried to thank you personally for the cards and calls, but in case I have missed someone--thank you! They were so appreciated and really cheered me up. On April 8th I had my last treatment so hopefully I am mended. Sally Byrne MG BENEFIT Spring Plant Swap Native plants on the Potomac Heritage Trail in Virginia. Toothwort, Spring Beauties and Dutchman s Breeches. Photos by Julie Mangin. When: Thursday, May 2, 2013, after the general membership meeting Where: Fairgrounds, in yard to the right of the Heritage building What: All types of potted plants are welcome: houseplants, herbs, perennials, annuals, ground covers, shrubs, trees, ferns, etc. The more plants you bring, the better our swap will be. How: Please drop off your plants beginning at 9 am and be sure to get a numbered ticket from either Terri Pitts or Kathi Dyer. Please label your plants with the plant name and growing instructions. Your name and phone number are also welcome. And, as you go through your shed, gather any extra tools that might be of use to another gardener. Remember, you must bring labeled plants to participate!

5 P A G E 5 Announcements continued from page 4 OPEN GARDEN What: Open Garden of Joan O Rourke When: Wednesday, May 8, am to 1 pm Where: Carona Drive, Silver Spring, Md. Phone: Benefit: Earn one hour of Continuing Ed credit Garden Flips To Sunny Side MG BENEFIT We are fortunate to be invited to the lovely garden of Joan O Rourke. Joan has been a Master Gardener for 20 years and does many classes for Brookside Gardens, especially classes on gardening in pots. As one might expect, Joan has many pots planted with all kinds of things in her garden. It was a shade garden until the derecho of June, 2012 when Mother Nature decided that Joan needed a change of pace. Joan lost six large shade trees and now the garden is in full sun. What will come up this year after baking in the sun and heat of last summer will be a surprise to Joan. She invites us to come and share the surprise with her. Joan s Open Garden is Wednesday, May 8 from 10 am to 1 pm. She is extending the invitation to any day that week except Friday for those who can t make it on the May 8. Please call her to let her know when you re coming. MG BENEFIT The Open Garden Program The Open Garden Program is a great opportunity to see members diverse gardening styles. The intent of this program is not to compete but to share our garden experiences. It s an opportunity to get ideas, ask questions and expand our knowledge. Other benefits include: attendees earn one hour of continuing education time; hosts count service hours for preparation of plant lists and presentation; and hosts have a great incentive to start/finish projects. Please contact Taffy Turner and get on the schedule for Learning New Skills for Therapeutic Horticulture In a recent training session for therapeutic horticulture with fellow Master Gardeners, Jan Short demonstrated a flower arrangement easy enough for folks at senior centers. Photo by Barbara Dunn.

6 P A G E 6 Ask & Answer Eat Your Weeds Q. I was stuck in traffic on a congested down-county street and I watched as a woman dug up wild onions and collected them in a bag. I presume she was going to eat them. What other edibles are growing in my yard? Signed, Foraging in Four Corners A. It is fairly common knowledge that dandelions and wild onions are edible. Not a lot of us know that there are many edible weeds in our yards, including those listed below. Be sure before consuming something from your yard that you have made an accurate identification of it. Here s a sampling: Burdock This medium plant has large leaves and a purple thistle-like flower. Leaves and roots can be eaten as well as the peeled stalks, either raw or boiled. Burdock has a bitter taste. It is popular in Japan. Chicory Chicory is a bushy plant with small blue, lavender, and white flowers. The entire plant is edible, raw or boiled. Chickweed Chickweed is one of the early spring weeds in this area. You ll know it by its small white flowers and compact growing habit. Leaves can be eaten raw or boiled. It is high in vitamins and minerals. Chewy Chickweed. Photo by Julie Mangin Plantain Plantain is usually found in wet areas such as marshes, but can also be found in other areas. It has oval, ribbed leaves with short stems that tend to hug the ground. Leaves may be up to 6 inches long. It has been used as a food source for thousands of years and is high in Vitamin A and calcium. Common Purslane, an edible weed. Photo by Jason Hollinger; image from Wikimedia Commons Images Purslane Purslane is on many gardeners lists of nasty weeds. It is a small plant with smooth, thick leaves and a yellow flower. It has a sour taste. It can be eaten raw or boiled to reduce the sourness. Wood sorrel Wood sorrel has been used for food for thousands of years. The leaves are a good source of Vitamin C. The roots can be boiled; they taste somewhat like a potato. Source: Edible Wood Sorrel. Photo by Jeff delonge, from Wikimedia Images

7 P A G E 7 Stumped Azalea Lace Bug Here are some home-gardener questions that came to the MG Extension office, plant clinics and to HGIC recently. Some questions we answered and some had us -- STUMPED! Pest Explosion Rising temperatures will increase the pest population and cause damage to the plants they feed on. Below are two common area pests that a home-gardener brought to the Derwood Extension office. The rust colored leaves on the specimens of Azalea leaves were typical symptoms of a heavy lace bug infestation. Azalea lace bugs, Stephanitis pyrioides, belong to a group of insects in the family Tingidae and are usually found on the underside of leaves where they suck out plant juices with piercing mouthparts. Their feeding also kills nearby cells causing yellowish flecks on the upper leaf surface that coalesce into large bronze-colored patches. Another result is premature leaf drop. An easy method to verify the presence of this pest is finding the fecal matter, which appears as shiny black spots called tar or resin spots. Lace bug nymphs are not lacelike, but are spiny and usually dark brown to black. Azalea Lace Bug (Stephanitis pyrioides) Photo: University of Delaware Cooperative Extension Lady beetles, lace wings, and predacious bugs are natural enemies of lace bugs. Insecticidal soaps can also be used as a spray on the underside of leaves. For more information on the management of lace bugs refer to the UME Factsheet HG95 on Lacebugs: 20bugs.pdf Four-Lined Plant Bug This same home-grower brought in samples of various herb plants that showed signs of leaf damage with spots that looked like fungal spots. However, closer examination showed that the damage was most likely caused by a plant bug such as the four-lined plant bug. How to Submit Articles and Pictures mcmgnewsletter12@yahoo.com MGs are invited to submit articles and pictures for the newsletter, but keep in mind that submittals may be edited and/or not used until a later month. Please limit stories to words. Photos must come with basic information that includes name of the person in the photo, subject matter or caption and either a signed photo permission slip from those in the picture or an from them saying they allow us to use their picture in the newsletter. Click here for website and scroll to bottom of page for link to the form. If you have your name, address and/or phone number in your article, please give us permission to use them. The newsletter can be accessed through the internet. Without the permission, we will delete the contact information. Four-Lined Plant Bug (Poecilocapus lineatus) Photo: University of Kentucky Entomology The four-lined plant bug, Poecilocapus lineatus, which is easily identified by the four black stripes running down its back, has a wide range of hosts including fruits, vegetables, flowers, herbs, and cucurbits. Damage is inflicted by the bug's piercing-sucking mouthparts removing the plant's chlorophyll leaving a window of upper and lower epidermis. A toxin present in their saliva is also secreted during feeding that digests the components responsible for holding the plant cells together. This feeding produces white, dark, or translucent spots 1/16 to 1/8 in. in diameter on the plant's leaves. The spots can merge together forming large blotches. For more information on four-lined plant bugs and other plant bugs that cause similar damage refer to the HGIC Landscape Problem Solver page:

8 P A G E 8 Resources The Accokeek Foundation Audubon Naturalist Society Continuing Education Corner MG BENEFIT Editors Note: Want to find the web link for the organization offering a class? See the green column called Resources on the side of the page to take you directly to the site. For example, if Basic Gardening is being offered by Green Springs, find its name on the side column and click on it. Find class and registration information at that web site. Behnke s Brookside Gardens Casey Trees City Blossoms Green Spring Gardens Horticultural Society of Maryland Irvine Nature Center Ladew Topiary Gardens Maryland Native Plant Society Meadowlark Botanical Gardens Merrifield Gardens Montgomery College Neighborhood Farm Initiative Prince William Cooperative Extension May 3, noon-1 pm. Medicinal Plants: The Good, The Bad and The Ugly Facts. USBG Conservatory Classroom. FREE; preregistration May 4, 10 am-3 pm. Celebrate Herb Day! Discover the significance of herbs in our lives and the many ways herbs can be used safely and creatively for health, beauty and culinary enjoyment. USBG Conservatory. FREE; no pre-registration May 4, 10 am-1 pm. Spring Tree Tour of the Capitol Grounds. Spend a May morning strolling under the trees that grace the U.S. Capitol grounds, designed by Frederick Law Olmsted and described as one of the world s finest arboretums. Bring sunscreen, protective clothing and water; tour is canceled if it rains or during times of extreme heat (heat index of 95 degrees or higher/code Red weather alert). Outdoor tour meets on the Terrace by the entrance to the USBG Conservatory. FREE; pre-registration May 4, 1-4 pm. Intermediate/Advanced Bonsai Workshop with Harry Hirao. Bring your established tree. Not for beginners. U.S. National Arboretum, National Bonsai & Penjing Museum Lecture Demonstration Center. $79; registration May 5, 10 am 12 noon. The Art of Bonsai Display. U.S. National Arboretum, National Bonsai & Penjing Museum Lecture Demonstration Center. $22; registration May 7, noon-1 pm. Tour in the Garden of Good and Evil: Medicinal and Poison Plants at the USBG. A walking tour of the Conservatory and National Garden that features poisonous and medicinal plants growing at the USBG, interesting and sometimes fatal cases of poisoning by plants, as well as plants used to make life-saving medicines. USBG Conservatory Garden Court and National Garden. FREE; no pre-registration May 9, 1:30-3 pm. Planting a Garden Trough. Must bring own trough. Brookside Gardens. $55 ($50 for FOBG); fee covers plants and materials; registration May 10, 10-11:30 am and 1:30-3:30 pm. Hanging Basket Workshop. Brookside Gardens. $54 ($49 for FOBG); registration May 10, noon-1 pm. Rosemary Verey: The Life & Lessons of a Legendary Gardener. Discussion of the English garden legend and adviser to Prince Charles and Elton John. USBG Conservatory Classroom. FREE; pre-registration May 11, 11 am noon. Establishing Resilient Urban Landscapes Using Native Plants. USBG Conservatory Classroom. FREE; pre-registration May 11, 9:30-10:30 am. Great Shrubs for Mixed Borders. Showing off your perennials through the use of shrubs. Green Springs Garden Park. $20. State MG Advanced Training United States Botanic Garden Conservatory US National Arboretum May 6, 13, 20, Noon-1 pm. Lunchtime Tour of the Conservatory. Take a tour with a knowledgeable guide of the plants on permanent display in the USBG Conservatory. US Botanical Gardens Conservatory Garden Court. FREE; no preregistration May 12, 2-3 pm. Tour: The Story Behind UNDERSTORY. Celebrate Mother s Day with artist Jackie Bailey Labovitz as she shares tales of hiking just beneath the forest canopy, with one lens and one camera, to search for rare exotic woodland orchids. USBG Conservatory East Gallery. FREE; preregistration Continued on page 9

9 P A G E 9 Continuing Education Corner continued from 8 May 12, 1 3 pm. Azalea Collections Tour. Learn about new varieties and receive expert advice from Barbara Bullock, Azalea Collection curator. U.S. National Arboretum. $15; registration May 15, 29 and June 12, 6:30-8:30 pm. Selecting Native Trees and Shrubs. Brookside Gardens. $49 ($44 for FOBG); registration May 16, 10-11:30 am. Butterfly Container Workshop. Brookside Gardens. $44 ($40 for FOBG); registration May 16, 6:30-8 pm. My Weedless Garden. Lecture by Lee Reich on an easy-to-follow low impact approach to planting and maintenance. Brookside Gardens. FREE; registration May 16, noon-1 pm. Exploring Culinary and Medicinal African Plants. Walking tour of the Conservatory highlighting African plants that are used to make everything from life-saving medicines to sweet and savory foods and coffee. This program is offered in conjunction with the Smithsonian National Museum of African Art s Earth Matters Exhibition. Tour will meet in the USBG Conservatory Garden Court. FREE; no preregistration required May 16, 4:30 7 pm. How Plants Work: A Workshop for Elementary School Teachers An evening workshop for elementary school teachers on how to use the U.S. Botanic Garden as an extension of your classroom, using How Plants Work curriculum as a guide to explore photosynthesis, plant parts and adaptation. USBG Conservatory Classroom. FREE; pre-registration May 17, 10 a.m.-2 pm. Celebrate Endangered Species Day! The USBG hosts the Endangered Species Coalition. More than 20 booths focusing on endangered plants and plant conservation. Tours of the USBG s endangered species and native plant collections, children s activities focusing on endangered plants and pollinators and inspiring activities that you can do at home to protect the planet. USBG Conservatory. FREE; no preregistration May 18, 10 11:30 am. Pruning Azaleas for Plant Health. U.S. National Arboretum. $12; registration May 18, 10:30-11:30 am. Private Edens: Lessons in Creating Your Own Garden Paradise. Profile of 21 spectacular East Coast gardens, most never before published, and their individual transformations from bare canvases to garden paradises. USBG Conservatory Classroom. FREE; pre-registration May 20, 8 pm. Eat Your Roses: Edible Flowers. Silver Spring Garden Club Meeting (open to public) at Brookside Gardens. Free. May 25, 10:30 am-noon. New World Natives: Bromeliads. USBG Conservatory Classroom. FREE; pre-registration May 25, 26, 10 am 2 pm. Colorful Shade Gardening. Q&A Demonstration. Behnkes Beltsville store (25 th ) or Potomac store (26 th ). FREE. May 28, 29, 10 am 1 pm. Container Gardening with Succulents. Brookside Gardens. $49 ($44 for FOBG); fee includes materials; registration May 31, June 1, 10 am 1 pm. Conservation Landscaping Techniques. Brookside Gardens. $12 ($10 for FOBG); registration June 8-August 12. Herbaceous Plant Materials class, Montgomery College, Germantown campus. This is a 3 semester-hour-credit course covering annuals, perennials and ornamental grasses. Field trips to Longwood Gardens, U.S. Botanic Gardens, Chevy Chase Country Club and Homestead Growers will be featured. There are tuition waivers for seniors. For information, contact Steve Dubik, ; steve.dubik@montgomerycollege.edu. Continued on page 10 WEBINARS Tree Talk Thursdays: Casey Trees online chat series held every second Thursday of the month at noon to discuss urban forestry and tree care topics. Archived chats are available for replay and sharing. Seed Savers (not approved for CE credit). Recorded webinars include: Planning Your Garden for Seed Saving; Apple Grafting; Heirlooms, OP s & F1 s; Basic Seed Saving for Beginners; Corn Hand- Pollination; Squash Hand- Pollination; Tomato Seed Saving; Seed Storage; & Home Germination Testing.

10 P A G E 1 0 Continuing Education Corner continued from 9 MORE WORKSHOPS AND TRAINING Environmental Concern, Inc. in St. Michael s offers courses on wetlands. The USDA Graduate School offers a Natural History Field Studies Certificate Program. The University of Maryland Extension sponsors the Maryland Naturalist Program. Sessions are held in different areas of the State. The Center for Environmental Research & Conservation of Columbia University has online classes for its Certificate in Conservation & Environmental Sustainability. NC State Permaculture Classes (free): Classes to choose from include Site Analysis & Design, Soil Ecology, BioDynamic Agriculture, Garden Ponds, and more. LOOKING AHEAD June 1, 10:30 am-noon. Exploring Hawaii. In celebration of King Kamehameha Day, an informative lecture on the evolutionary forces that shaped Hawaii s unique native plant communities. This lecture will be repeated on June 11. USBG Conservatory Classroom. FREE; pre-registration June 8, 10:30-11:30 am. Everything You Wanted to Know About Coffee Production But Were Afraid to Ask. USBG Conservatory Classroom. FREE; preregistration June 9, 2-3 pm. The Story Behind UNDERSTORY. Artist Jackie Bailey Labovitz shares tales of hiking day just beneath the forest canopy, with one lens and one camera, to search for rare exotic woodland orchids. USBG Conservatory East Gallery. FREE; preregistration June th Annual Historic Landscape Institute: Preserving Jefferson s Gardens and Landscapes. This one-week course uses the gardens and landscapes of Monticello and the University of Virginia as an outdoor classroom for the study of historic landscape preservation. Lectures, workshops, fieldtrips, and practical working experiences will provide an introduction to the fields of landscape history, garden restoration, and historical horticulture. Fee charged. Call or visit flying flowers. We ll explore their different life cycles and examine the unique roles they play in nature. Ages 18+, FEE: $150, FOBH $145. Call State MG Advanced Training Click here for State Master Gardeners Advanced Training. May 22, Annual MG Training Day, 8 am 4:30 pm, Adele H. Stamp Student Union Building, U MD, College Park. $69 registration fee if register by 4/30/13; $79 thereafter. For more information, click here. For on-line registration, click here. June 6 and 13, 9:30 am 3:30 pm. Ecological IPM (Mike Raupp), Wye Research and Education Center, Queenstown; $49; registration deadline 5/30. June 10, 11 and 12, 10 am 1 pm. Ornamental Trees and Vines (Steve Dubik), Anne Arundel Co. Libraries and Nat l Arboretum; $45, registration deadline 6/3. June 18-20, 9:30 am 3 pm. Going Native Workshop, Black Hill Visitor Center, Boyds, MD. This introductory workshop is designed for homeowners who want to know about native plants and how to use them. We ll explore many habitats, gardens and nurseries to see the wealth of available native plants in our area. Ages 18+, FEE: $150, FOBH $145. Call June 11, 9:30 am 3:30 pm. Plant Diseases (Dave Clement), UME Balt. Co. Cockeysville, $35, registration deadline 6/4. June 12, 19 and 26, 6 pm 9 pm. Flowering Shrubs (Wanda MacLachlan), 4-H Center, College Park, $45, registration deadline 6/5. August 19-21, 9:30am 3 pm. Winged Wonders, Black Hill Visitor Center, Boyds, MD. This workshop is for adults who d like to learn about the spectacular flyers that visit our gardens. We ll immerse ourselves in the world of these amazing pollinators, predators and June 18 and 25, 9:am 3:30 pm. Vegetables: Intensive Techniques/Small Space Gardening (Jon Traunfeld and Kent Phillips), UME Frederick Co, $49, registration deadline 6/11