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Zone 7 Wildflowers – Tips On Choosing Wildflowers For Zone 7

Zone 7 Wildflowers – Tips On Choosing Wildflowers For Zone 7


By: Darcy Larum, Landscape Designer

The term “wildflower” typically describes plants which are growing freely in the wild, without any help or cultivation by humans. These days, however, we incorporate wildflower beds into the landscape, bringing a touch of the wilds of nature into our controlled environment. In this article, we will list different wildflowers for zone 7, as well as offer tips for growing wildflowers in zone 7.

About Zone 7 Wildflowers

Most wildflowers grow easily from seed and wildflower seed mixes are readily available. If seed mixes are the route you plan to take, it’s a good idea to do a little research on each wildflower that is listed on the package. One region’s wildflower can be another region’s invasive weed. Wildflowers can quickly spread by self-seeding, naturalizing or forming colonies through vast root structures.

Wildflowers can also be annual, biennial or perennial, and this can depend on what zone you’re in. Knowing about the plant’s needs and habit can prevent a lot of trouble down the road.

In northern climates, wildflowers are typically planted from seed in the spring, so perennial wildflowers will have all summer to grow vigorous roots, and annual or biennial wildflowers will have all season to complete their life cycle. In hot climates, wildflower seeds are usually planted in autumn as the cooler, wet weather of fall and winter aids in their germination and root development.

Most zone 7 wildflowers can be planted in spring and/or autumn. September through December are excellent times to plant zone 7 wildflowers.

Choosing Wildflowers for Zone 7

When growing wildflowers in zone 7, native species usually establish and grow better than non-natives. Below are some native wildflowers for zone 7. Because common names can be different in different regions, the scientific name is also included:

  • Black cohosh (Actaea racemosa)
  • Blue vervain (Verbena hastata)
  • Bergamot (Monarda fistulosa)
  • Boneset (Eupatorium perfoliatum)
  • Butterfly weed (Asclepias tuberosa)
  • Cardinal flower (Lobelia cardinalis)
  • Columbine (Aquilegia sp.)
  • Crooked stem aster (Symphyotrichum prenanthoides)
  • Goats beard (Aruncus sp.)
  • Goldenrod (Solidago sp.)
  • Jacob’s ladder (Polemonium caeruleum)
  • Leadplant (Amorpha canescens)
  • Milkweed (Asclepias sp.)
  • Mountain mint (Pycanthemum sp.)
  • New England aster (Aster novi-angliae)
  • Nodding pink onion (Allium cernuum)
  • Purple coneflower (Echinacea purpurea)
  • Rose coreopsis (Coreopsis rosea)
  • Shootingstar (Dodecatheon meadia)
  • Sky Blue aster (Aster azureus)
  • Virginia bluebells (Mertensia virginica)
  • White turtlehead (Chelone glabra)

Native wildflowers for zone 7 are also beneficial for pollinators, providing plenty of nectar and host plants. Other wildflowers will also provide nectar for pollinators, as well as seeds for birds. Some of the below mentioned zone 7 wildflowers do have native varieties:

  • Agastache
  • Anemone
  • Baby’s breath
  • Black eyed susan
  • Bleeding heart
  • Catmint
  • Coreopsis
  • Cosmos
  • Delphinium
  • Filipendula
  • Foxglove
  • Iris
  • Liatris
  • Lupine
  • Poppy
  • Russian sage
  • Salvia
  • Shasta daisy
  • Summer phlox
  • Yarrow

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When to Plant Wildflower Seed: The best time to plant wildflower seed in your area depends on the climate and rainfall patterns as well as the species you are planting. In cool climates, plant annuals, perennials or mixtures of annuals and perennials in spring, early summer or late fall. Fall plantings should be late enough so that seeds do not germinate until spring. In the north the soil temperatures need to be low enough that the wildflower seeds will remain dormant until spring, then when the grounds warm up the seeds will germinate.

Perennial wildflowers can also be sown in early fall provided that there are at least 10-12 weeks of growing time before the plants go dormant for the winter. In mild climates, plant wildflower seed during the cooler months of the year, fall through spring, for best results. Perennials generally do not bloom until second year.

Wildflowers usually will do best when kept irrigated until established (4 to 6 weeks), so they are best planted in the Spring or Fall dormant planted to take advantage of spring rainfall. You generally can plant wildflower seed mixtures into the summer if watered until established. In cool season areas, Wildflowers may be planted in the fall, if seeds are planted late enough to remain dormant until spring.

In areas with moderate winters, Wildflowers can be seeded in late Fall, resulting in an early spring blooming period. An adjacent planting can be made that same spring to extend flowering blooms into Summer and Fall of the year.


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PHOTOGRAPH NOTE: The color of wildflowers viewed in digital pictures on this site will vary depending on the monitor used and display settings. The actual grow-out color of any wildflower species will depend on many unknown variables including site fertility, weather, time of year, lighting effects for the time of day, etc. Colors of any one wildflower usually will vary in shade from pictures available on this site or from the same or similar wildflowers grown at different locations. While we make every effort to try and present the most likely true color of wildflowers on this site, pictures shown are not guaranteed to be true to color.



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