Replacements for Impatiens walleriana. Katie McCarver, MSU Trial Garden Manager

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1 Replacements for Impatiens walleriana Katie McCarver, MSU Trial Garden Manager

2 Downey Mildew Plasmoparaobducens Only affects Impatiens wallerianaand balsamina Symptoms: yellowing leaves or leaf drop, white mildew (spores) on underside of leaf Ideal conditions: cool and moist with temperatures ranging from 60 to 70 degrees F.

3 Photo taken at MSU late September

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6 Plan for 2013? find a replacement

7 Characteristics to replace: Shade Bloom habit Uniform shape Diverse Versatile Photo taken at Chicago Botanic Garden, Katie McCarver

8 Alternanthera Brazilian Red Hots Athena Brazil Foliage plant Height: 24 Space: 12 Low maintenance Photo Credit:

9 Photo Credit: PP aspx

10 Alternanthera Red Threads Athena Brazil Foliage plant Height: 8 Space: 6 to 8 Low maintenance Photo Credit:

11 Alternanthera Mai Tai Athena Brazil Foliage plant Height: Space: 12 Prefers average to slightly moist soil Photo Credit:

12 Alternanthera Grenadine Athena Brazil Height: 18 Space: 18 Prefers average to moist soil conditions Photo Credit: Brazilian-Red-Hots-PP aspx

13 Photo Credit:

14 Little Ruby Athena Brazil Height: 12 Space: 12 Prefers well drained, moist soils Photo Credit: Brazilian-Red-Hots-PP aspx

15 Ageratum houstonianum High Tide Blue Photo Credit: PanAmerican Seed PanAmerican Seed Height: Space: Medium maintenance Fertilize every two weeks Needs either morning of afternoon sun

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17 Ageratum Artist Blue Proven Winner Height: 8-12 Space: 12 Low maintenance Photo Credit: Penn State Trial Garden

18 Rex Begonia Escargot Height: 6-12 Space: 6-12 Low Maintenance Does not like wet feet!

19 Rex Begonia Moonlight Green Fuse Botanicals Height: 24 Space: 20 Low maintenance Photo Credit: Green Fuse Botanicals

20 Begonia Whopper Rose Green Leaf Ball Seed Height: Space: 20 Low maintenance Tolerates full sun and shade Photo Credit: Raker Trial Garden

21 Begonia Big Red with Green Leaf Benary Height: Space: Low maintenance Will exceed 18 with more moisture, must have good drainage Photo Credit: Benary

22 Begonia Dragon Wing Pink PanAmerican Seed Height: Space: Loves heat and shade Photo Credit: Cincinnati Zoo and Botanical Gardens

23 Ambassador and Senator Series Begonia

24 Begonia Senator Mix Sakata Seed Height: 8 Space: 8 Low maintenance Photo Credit: Raker Trial Garden

25 Coleus Chocolate Covered Cherry PanAmerican Seed Height: Space: 8 Likes at least 6 hours of sunlight, so provide morning or afternoon sun Photo Credit: Raker Trial Garden

26 Coleus Versa Crimson Gold PanAmerican Seed Height: Space:12-18 Low Maintenance

27 Wasabi Ball FloraPlant Height: Space: Will keep it s green foliage if in the shade

28 Coleus Red Head Ball Horticulture Height: Space: Low maintenace

29 Browalliaspeciosa Endless Illumination Proven Selections Height: Space :10 Part shade to shade Low maintenance Photo Credit: Proven Winner

30 Caladium bicolor Ball Horticulture Height:12-18 Space: 6-10 Performs best in shade Foliage will burn in direct sunlight

31 Caladium Rosemary Classic Caladiums Height: Space: 6-10 Can tolerate high heat and some direct sunlight Photo Credit: Penn State Trial Garden

32 Evovulus Blue Daze Various suppliers Height: Space: 12 Best suited for containers Likes average soil moisture

33 Blue My Mind Proven Winners Height: 6-12 Space: Low maintenance Can tolerate some shade

34 Fuchsia x hybrida Angel Earrings Cascading Suntory Height: Space: Well drained, moist soil

35 Dark Eyes Various suppliers Height: 4-8 Space: 24 Low maintenance Love humidity and shade Photo Credit: Dave s Garden

36 Heliotropiumphyllostachya Nagano Dummen Height: Space: Low Maintenance

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38 Heliotropium Marine Ball Horticulture Height: Space: Photo Credit: Ball Horticulture

39 Heliotropium ScentropiaDark Blue Syngenta Height: Space: Low maintenance Photo Credit: Syngenta

40 Photo Credit: Cornell University Trial Garden

41 Hypoestesphyllostachya Splash Select White PanAmerican Seed Height: Space: Low maintenance

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43 New Guinea Impatiens SunPatiens Spreading Corona Sakata Height: Space: 36 Likes lots of water

44 SunPatiens Variegated Spreading White Sakata Height: Space: 36 Likes lots of water

45 Sun Patiens Compact Lilac Photo Credit: Southern Living

46 New Guinea Sun Harmony Series Danziger Height: Space: Purple is the favorite color Likes lots of water in high heat

47 Lobelia Techno Heat Blue Syngenta Height: Space: Flowers despite high heat Photo Credit: Penn State Trial Garden

48 Hot Bavaria Westhoff Height: 10 Space: 6 heat tolerant, flowers all summer

49 Oxalis Allure Burgundy Plug Connection Height: 8 Space: 6 Low maintenance

50 Pillow Pink Various suppliers Height: Space: Performs best with afternoon shade Photo Credit: Spring Trials website

51 Plectranthus Mona Lavender Bred at Kirstenbosch Botanical Gardens Height: 1-2 Space: 1-2 Cut back to keep shape Photo Credit: Missouri Botanical Garden

52 Salvia splendens Sangria TakiiSeed Height: 8-12 Space: 6-8 Early flowering Photo Credit: Takii Seed

53 Salviafarinacea Evolution White and Blue Benary Height: Space: Easy to grow and maintain

54 Scutellariajavanica Veranda PanAmerican Height: 10 Space: Excellent performer in high temperatures and shade Photo Credit: PanAmerican

55 Summer Wave Large Blue Suntory Height: Space: Loves partial shade

56 ToreniaKauai Deep Blue PanAmerican Height: 8 Space: 8 Performs well in heat and shade

57 Websites MSU Extention MSU Trial Gardens