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Gardening With Herbaceous Plants

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Title: Gardening With Herbaceous Plants


1
Gardening With Herbaceous Plants
  • My thanks to Jim Harbage at South Dakota State
    for his presentation-January 2001

2
Herbaceous Gardens
  • Steps in developing a garden
  • Site analysis and modification
  • Site plan
  • Establishment
  • Maintenance
  • Overwintering

3
Gardening with Herbaceous Plants
  • Site analysis
  • Light
  • Hours of full sunlight
  • Soil
  • Texture
  • pH
  • Fertility
  • Moisture
  • Natural or applied
  • Temperature
  • Heat reflection or exposure

4
Gardening with Herbaceous Plants
  • Light
  • More than six hours of full sun Full sun
  • Three to six hours of full sun Partial shade
  • Zero to three hours of full sun Shade

5
Gardening with Herbaceous Plants
  • Soil
  • Texture - drainage
  • pH - acid or alkaline
  • Fertility - organic material

6
Gardening with Herbaceous Plants
  • Moisture
  • Natural precipitation
  • Irrigation
  • Drainage
  • Note
  • Many perennials planted in heavy wet soil (clay)
    will fail to survive.

7
Gardening with Herbaceous Plants
  • Site modification
  • Soil amendments
  • Addition of pathways, walls, ponds, etc.
  • Changing slope or grade

8
Gardening with Herbaceous Plants
  • Site Plan
  • Design
  • Choose materials

9
Gardening with Herbaceous Plants
  • Design
  • Proportion
  • Balance
  • Pattern
  • Focus
  • Flow

10
Gardening with Herbaceous Plants
  • Selecting plants-Plant names
  • Common names
  • Descriptive (sometimes)
  • Confusing (usually)
  • Latin/Scientific names
  • Specific
  • Descriptive
  • Oh no! Not the dreaded latin name.

11
Gardening with Herbaceous Plants
  • Choose materials for
  • Match to site conditions and hardiness
  • Flower - size, shape, color
  • Bloom period - duration and time
  • Plant size - height and spread
  • Foliage - texture and color
  • Ease of maintenance
  • Cost

12
Gardening with Herbaceous Plants
  • This bed is designed to provide continuous bloom
    through the growing season.

13
The Garden Plan
  • A. Buddleia-Butterfly bush (2)
  • B. Coreopsis (12)
  • C. Scabiosa (1010)
  • D. Verbena (3)
  • E. Lantana (2 in each pot)
  • F. Columbine (55)
  • G. Daylily (88)
  • H. Hardy Hibiscus (3)
  • I. Liatris (8)
  • J. Lobelia (9)
  • K. Honeysuckle (2)
  • L. Perennial Salvia (33)

14
Gardening with Herbaceous Plants
  • Once you have a site plan you are ready to go get
    your plants and start planting

15
Gardening with Herbaceous Plants
  • Obtaining plants
  • Propagate your own
  • Trade with friends
  • Mail order
  • Bare root versus greenhouse grown
  • Local garden center

16
Gardening with Herbaceous Plants
  • Planting/Transplanting
  • In the Spring - most plants
  • Plant actively growing plants after the last
    frost
  • Plant dormant plants - 3 to 4 weeks earlier
  • In the Fall - Iris, Peony, Poppy
  • Plant at least six weeks before ground freezes
  • Iris and poppy - transplant late July early August

17
Gardening with Herbaceous Plants
  • Planting
  • Group plants
  • Plant at same depth as container
  • Plant crown just below soil line
  • Peony - rhizomes not more than two inches below
    surface
  • Water in
  • Fertilize easy does it! (balanced fertilizer or
    5-10-5 five pounds per 100 square feet)

18
Gardening with Herbaceous Plants
  • Care and Maintenance
  • Watering
  • Pest control
  • Weed control
  • Pinching and deadheading

19
Gardening with Herbaceous Plants
  • Watering
  • In general - 1 inch to 1.5 inches per week (more
    when flowering or in sandy soil)
  • Water deeply and infrequently
  • Apply in the morning
  • Avoid wetting the foliage
  • Small newly planted materials need frequent
    watering since roots are near the surface

20
Gardening with Herbaceous Plants
  • Pest control
  • Prevention - healthy, stress free plants are more
    resistant
  • Good drainage
  • Space plants for air flow
  • Rarely use chemicals
  • May need to remove some plants
  • Wash off many insects with water

21
Gardening with Herbaceous Plants
  • Weed Control
  • Start before planting - Fall is best
  • Non-specific, systemic herbicide (e.g. Roundup)
  • Can use after planting with care
  • Early Spring before desired plants break dormancy
    (emerge from the soil)
  • Cultivation after planting
  • After plants can be seen
  • Shallow to avoid root damage
  • Mulching

22
Gardening with Herbaceous Plants
  • Pinching and Deadheading
  • Maintain bushy plants
  • Avoid reseeding
  • Increase flowers
  • Increase bloom season

23
Gardening with Herbaceous Plants
  • Preparation for Winter
  • Leave dead stems/foliage
  • Mulch - two weeks after first frost
  • Pine straw
  • Other materials
  • Remove before active growth in the Spring

24
Gardening with Herbaceous Plants
  • Winter Hardiness
  • Consider hardiness zone ratings
  • Stress reduces hardiness
  • Too much/too little water
  • Too little light
  • Competition
  • Low fertility
  • Late nitrogen application (a real no-no)

25
Gardening with Herbaceous Plants
  • In Summary
  • Select good plants
  • Plant correctly
  • Dont over fertilize
  • Dont over water
  • Good pest control
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