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Perennials

Perennials. Janet B. Carson 2009 University of Arkansas Cooperative Extension Service. Herbaceous Perennials . Most perennials are non-woody. Most perennials have a season of dormancy. They have a season of blooms . Bloom length can vary from 2 weeks to 4 months.

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Perennials

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  1. Perennials Janet B. Carson 2009 University of Arkansas Cooperative Extension Service

  2. Herbaceous Perennials • Most perennials are non-woody. • Most perennials have a season of dormancy. • They have a season of blooms. • Bloom length can vary from 2 weeks to 4 months

  3. Correct Perennial Planting is Critical for Success • Plant in well drained soil • Soil pH of 6 – 6.5 best • Space most plants on 2’ centers • Avoid planting too deep • Divide when plants become crowded -- usually every 3 to 5 years

  4. Dividing Perennials • Divide spring bloomers in the fall • Divide fall bloomers in the spring • Summer bloomers can be divided spring or fall.

  5. Maintenance of perennials • Water • Fertilization needs vary • Staking • Deadheading

  6. Perennial staking

  7. Landscape fabric

  8. Mulch

  9. Weed early and often

  10. Match conditions • Wet/dry • Sun/shade

  11. Think seasonality

  12. Shade Perennials

  13. Lenten Rose (Helleborusorientalis)

  14. Bleeding Heart (Dicentraspectabilis)

  15. FoxgloveDigitalis purpurea

  16. Ferns

  17. Holly Fern

  18. Brunnera ‘Jack Frost’

  19. Heuchera

  20. New Heucheras ‘Peach Flambe’ ‘Citronelle’

  21. Celandine Poppy (Stylophorumdiphyllum)

  22. Hosta – Great Expectations

  23. Solomon's Seal Polygonatumodoratum 'Variegatum'

  24. Perennial Begonias- Begonia grandis

  25. Toadlily (Tricrytishirta) blooms in October

  26. Sun Perennials

  27. Peony (Paeonia) • Hundreds of selections • Colors of red, white and pink • Often live for 100 plus years • Good soil preparation allows for earlier blooming • Good cut flower

  28. Hens & ChicksEchevera

  29. Japanese Anemones

  30. Candytuft (Iberissempervirens)

  31. Artemisia Powis Castle – Silver Leaf Wormwood

  32. Homestead Purple Verbena

  33. Euphorbia –Canyon Gold

  34. Tritoma – Red Hot Poker

  35. Hardy Hibiscus Hibiscus moscheutos Hibiscus coccineus ‘Eruption’

  36. Echinacea – Purple Coneflower Sunrise Magnus

  37. ‘Sundown’ ‘Summer Sky’

  38. Daylily Hemerocallis sp.

  39. Aesclepiastuberosa– Butterfly Weed

  40. Black Eyed Susan (Rudbeckia sp.) Goldsturm ‘Prairie Sun’

  41. Gaillardia Sundance Bicolor Arizona Sun

  42. Gaillardia ‘Fanfare’ ‘Oranges and Lemons’

  43. Joe Pye Weed – ‘Little Joe’Eupatorium fistulosum

  44. Salvia Salvia greggii Salvia guaranitica 'Black and Blue'

  45. Salvia leucanthaMexican bush sage

  46. Salvia ‘Golden Delicious’

  47. Ornamental Grasses Miscanthus Hakonechloa Japanese Forest Grass Pennisetum

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