Asclepias speciosa Davis

Davis Showy Milkweed

 

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Davis Showy Milkweed (Asclepias speciosa 'Davis') is an outstanding western form of this widespread species. 'Davis' Milkweed is grown for its vigor, showy silver-grey foliage, and large pink flower heads. Recommended for use in the West.

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Zones 4 - 9
Advantages
Deer Resistant
Deer Resistant
Attract Butterflies
Attract Butterflies
Bee Friendly
Bee Friendly
Rabbit Resistant
Rabbit Resistant
Squirrel Resistant
Native
Low Maintenance
Multiplies / Naturalizes
Light Requirements
Full Sun
Full Sun
Annual Rainfall
Average
10 to 20"
Bloom Time Early to mid summer
Shipping Shipping begins in late February based on ground temperatures, warmest zones first. More shipping info Learn More…
SKU HBLHWXX

Details

Davis Showy Milkweed (Asclepias speciosa 'Davis') is a handsome milkweed with large silver-gray foliage and big pink flower heads that bloom in late spring. 'Davis' is a seed grown selection originating in northern CA, making it an excellent choice for Western gardeners. A clumping plant, it stays in place and makes a fine addition to the perennial border. Watch for Monarch caterpillars on the foliage (no spraying) and adults sipping nectar from the flowers. 'Davis' Milkweed makes a fine companion for other native wildflowers like Sundrops (Calylophus), Prairie Phlox (Phlox nana) and Great Basin Sage (Salvia dorrii).
Associated SKUs
HBLHWXX
HBLHW21 (Plant - 2.5" deep pot) - Out of stock.
HBLHW51 (Plant - 5" deep pot)
Common Name Davis Showy Milkweed
Botanical Name Asclepias speciosa Davis
Zones 4, 5, 6, 7, 8, 9
Light Requirements Full Sun
Flower Color Pink, Purple, White
Mature Height 30" tall
Mature Spread 24" wide
Bloom Time Early to mid summer
Ships As Potted Plant
Native Yes
Planting Time Spring / Summer, Fall
Soil Type Clay Soil, Average Soil
Soil Moisture Average, Well Draining
Amount of Rain 10 to 20"
Advantages Deer Resistant, Attract Butterflies, Bee Friendly, Rabbit Resistant, Squirrel Resistant, Native, Low Maintenance, Multiplies / Naturalizes
Ideal Region Coastal California, Southwest, West, Pacific Northwest
Neonicotinoid-Free Yes - Learn More
Ships to Hawaii, Alaska & Canada No

Planting Guides

Tips For Growing Milkweed/Butterflyweed (Asclepias)

Asclepias (Milkweed) are sun loving plants that are essential perennials for monarch butterflies providing food for caterpillars and nectar for adult butterflies. They bloom from mid-summer into early fall and, with their milky sap, are resistant to rabbits and deer.

Asclepias can be divided into two groups for plant care; Asclepias tuberosa with orange (sometimes yellow) flowers and all the other species with pink (sometimes white) flowers.

1. Asclepias tuberosa (Orange Butterfly Weed) - this perennial stays dormant until later in the spring than many other plants, especially when grown in pots. It's fine to plant dormant plants; don't up-pot them for planting later in the growing season.

  • Need sandy or gravelly soils (except the Clay form which does well in heavier soils including dry clay.)
  • Does best with gravel mulches
  • After their second growing season, only requires deep but infrequent watering. Plant in full hot sun.
  • Just a few handfuls of compost and Yum Yum Mix added to the planting hole is enough. Don't plant into a rich, highly-amended soil.
  • Special comments:

  • When planting dormant plants, water thoroughly after planting and wait to water again until the plant comes into active growth, at which time a deep watering every week or so is adequate. Take care not to overwater young transplants.
  • Asclepias has a long, carrot-like tap root that should remain undisturbed after planting and should NOT ever be divided.
  • 2. Asclepias speciosa, A. syriaca. A. incarnata (Milkweed) - these perennial species stay dormant later in the spring than many other plants, especially when they are grown in pots. It's fine to plant dormant plants; don't up-pot them for planting later in the growing season.

    Preferred growing conditions:

  • These species grow in a wide range of soil types, including clay.
  • They don't need mulching (except in very hot climates).
  • These are moisture-loving perennials and do well in wet to moderately moist soil conditions.
  • Plant in full to part sun areas.
  • They like compost-enriched soils at planting time.
  • Special comments:

  • Asclepias syriaca and A. speciosa will spread to make big patches of plants and are best planted in parts of the landscape where they won't crowd out less vigorous plants. Not recommended for the prime spots in your perennial beds.
  • Asclepias incarnata (Swamp Milkweed) is a more refined grower and is fine to include in perennial beds.
  • Garden care:

    • Fertilize Asclepias just once in fall with Yum Yum Mix and Planters II. - Naturalized plantings don't need additional fertilization.
    • To encourage re-seeding and provide winter interest with their ornamental seed pods, leave the stems intact over the winter. In mid-spring, remove old stems just above ground level.
    • All species of Asclepias are late to emerge in the spring, so don't be concerned if other perennials come up first and they remain dormant.

    View more Planting Guides, or download our complete Planting Guide for tips on caring for your plants when you receive your order, as well as planting instructions for Perennials, Spring-Planted Bulbs, Fall-Planted Bulbs, Cacti & Succulents, Xeric Plants and more.

    Shipping

    Plant Shipping: Buy now and we will ship your order at the ideal planting time for your region. Spring-Planted Perennial and Bulb orders will ship from February 27-June 30, warmest zones first. Most plant orders will arrive within 3-4 days, or less, of leaving our greenhouses. This prompt delivery is provided without additional express charges.

    Grass Plugs Will ship at planting time in spring 2017, beginning in late February.

    Wildflower Seed & Grass Seed Orders ship within 2-3 days.

    Standard shipping costs are $4.99 and up, depending on the size of the order.

    Make Fast Even Faster: For ‘Rush’ same week delivery, please call customer service at 800-925-9387.

    More Shipping Info

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    Q & A

    Suggested Companion Plants:

    USDA Hardiness Planting Zones

    To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.

    • If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will survive the winter temperatures in your area.
    • If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack of freezing winter temperatures do not provide a time for winter dormancy (rest).

    Find Your Planting Zone:

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