Asclepias (Milkweed or Silkweed)

Milkweeds or Silkweeds have annual flowering stems from perennial underground rhizomes. For any humus rich, sandy or rocky soil in full sun to partial shade. The species offered here are fully hardy in Central Europe.
Sow at a minimum of some 15°C from spring to early summer in any well drained soil. Transplant rhizomes about 15cm deep after stems have died down in autumn.
Note: All parts are poisonous if ingested, the milk sap may cause severe skin irritations and eye burns.
All are USDA Climate Zone 7.
20 seeds per package, unless stated differently.

Articles

Asclepias arenaria (Sand Milkweed)

Asclepias arenaria (Sand Milkweed)

40 (60)cm, Sand Milkweed has dense terminal clusters greenish-yellow flowers above broad, smoothly hairy leaves. For any rich, very well drained, sandy soil in full sun a protected spot. Seeds from a certified wild collection in Yuma County, Colorado, USA at some 1050m. VI-VII.
10 seeds per package.

(plus Shipping Costs)
seed package 5291 € 4,99

Asclepias asperula (Antelope Horns Milkweed)

Asclepias asperula (Antelope Horns Milkweed)

80 (100)cm, Antelope Horns Milkweed makes dense terminal clusters of yellowish-green and deep purple flowers above large, broadly-lanceolate, opposite leaves. For any rich, very well drained soil in a sunny spot. Seeds from a certified wild collection in Daggett County, Utah, USA at some 1900m. VI-VII.
10 seeds per package.

(plus Shipping Costs)
seed package 5292 € 4,99*
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.

Asclepias cordifolia (Heartleaf Milkweed)

Asclepias cordifolia (Heartleaf Milkweed)

80 (110)cm, Heartleaf Milkweed is an utmost showy species from meadows in the Sierra Nevada in California. Makes dense clusters of white and purplish, honey scented flowers above broad, cordate (heartshape) leaves. For any rich, very well drained soil in full sun. Seeds from a certified wild collection in Quincy, Plumas County, California, USA. VII-VIII.
10 seeds per package.

(plus Shipping Costs)
seed package 0052 € 4,99*
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.

Asclepias curassavica (Mexican Butterfly Milkweed)

Asclepias curassavica (Mexican Butterfly Milkweed)

100 (140)cm, Mexican Butterfly Milkweed is a fast growing annual to perennial native of Central and Northern South America and makes bright orange and red flowers in terminal clusters. It is an important host plant for the Monarch butterfly (Danaus plexippus) and easily grown in any rich, well drained soil in full sun. In colder climates plants will die back to the ground in winter, but may sometimes resprout from the rhizome in late spring. Alternatively plants can be grown as annuals from seeds sowed in late spring under glass. Transplant seedlings to the final spot in the garden after the last freezing nights. VI-IX.

(plus Shipping Costs)
seed package1274 € 2,49
seed package

Asclepias exaltata (Poke Milkweed)

Asclepias exaltata (Poke Milkweed)

80 (180)cm, Poke Milkweed makes erect, herbaceous stems with purplish flowers in a dense umbel above broad, opposite leaves. It is native of humus rich woods in Conneticut (USA). For any humus rich, well drained soil in a sunny to partially shaded spot. VII-VIII.

(plus Shipping Costs)
seed package 1009 € 4,99

Asclepias hallii (Hall's Milkweed)

Asclepias hallii (Hall's Milkweed)

100 (140)cm, Hall's Milkweed makes dense pale purplish-pink and cream flower umbels above broad lanceolate-oval, greyish-green leaves. Native of opens spots in southwestern USA. For any rich, very well drained slightly rocky or sandy soil in full sun. VI-VIII.

(plus Shipping Costs)
seed package 4744 € 4,99*
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.

Asclepias hirtella (Tall Green Milkweed)

Asclepias hirtella (Tall Green Milkweed)

90 (130)cm, Tall Green Milkweed makes dense creamy-green flower umbels above narrow, linear fresh green leaves. Native of open, semi-moist spots in woods and in meadows in southwestern USA. For any humus rich, well drained soil in a sunny spot. V-VII.
10 seeds per package.

(plus Shipping Costs)
seed package 4745 € 4,99*
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.

Asclepias incarnata (Swamp Milkweed)

Asclepias incarnata (Swamp Milkweed)

100 (130)cm, Swamp Milkweed, rich pink flower heads above narrow leaves. Native of Indiana, New Brunswick and Saskatchewan, from Tennessee to Colorado, growing in the edges of swamps and ponds. Can be cultivated in virtually and rich, well drained soil type in a sunny spot. VII-VIII.

(plus Shipping Costs)
seed package 1275 € 3,99*
seed package
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.

Asclepias pumila (Plains Milkweed)

(plus Shipping Costs)
seed package6968 € 4,99*
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.

Asclepias purpurascens

Asclepias purpurascens

170cm, attractive pinkish-purple flowers terminal clusters of erect stems with light green leaves. Native of dry, rocky areas in open spots in woods of Indiana, from New England to North Carolina and from Minnesota to Arkansas. For any humus rich, well drained soil in a sunny spot. VI-VII.

(plus Shipping Costs)
seed package 1276 € 4,99

Asclepias speciosa (Showy Milkweed)

Asclepias speciosa (Showy Milkweed)

100 (120)cm, Showy Milkweed is an ornamental species with grayish-green broad leaves and showy dense clusters of white, strongly sweet-scented flowers. Native throughout the midwestern and western states in the US. For any rich, very well drained soil in a sunny spot. Seeds from a certified wild collection in Greenville, Plumas County, California, USA. VII-VIII.
10 seeds per package.

(plus Shipping Costs)
seed package 0050 € 4,99*
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.

Asclepias sullivantii (Sullivant's Milkweed)

Asclepias sullivantii (Sullivant's Milkweed)

80 (100)cm, Sullivant's Milkweed is an rare and threatened herbaceous species with upright stems with pale pink and cream flowers in a dense umbel above broad, opposite leaves. It is native of humus rich prairies in the USA. For any humus rich, well drained soil in a sunny spot. VII-VIII.

(plus Shipping Costs)
seed package 1010 € 4,99*
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.

Asclepias syriaca

Asclepias syriaca

120 (200)cm, the tallest hardy species with large sweetly scented rose and white star-flowers in ball-like flower heads. Easily cultivated in any rich, preferably sandy or rocky soil in full sun. We had an excellent seed crop this year, thus we would like to offer this species at an all-time low price! VI-VIII.

(plus Shipping Costs)
seed package 1277 € 0,99
seed package

Asclepias tuberosa (Butterfly Milkweed)

Asclepias tuberosa (Butterfly Milkweed)

90 (130)cm, Butterfly Milkweed is a herbaceous perennial with a creeping rhizome and upright stalks with linear leaves and terminal clusters of bright orange flowers. Native in rocky, sunny spots throughout central and eastern USA. For any rich, well drained soil in a sunny spot. Seeds from a certified wild collection in Montrose County, Colorado, USA at some 1.850m. VI-VII.

(plus Shipping Costs)
seed package 4179 € 4,99*
seed package
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.

Asclepias verticillata (Whorled Milkweed)

Asclepias verticillata (Whorled Milkweed)

40 (70)cm, Whorled Milkweed makes unbranched stems covered with narrow leaves, and a terminal cluster with several greenish white flowers. Native of prairie regions in the US. For any rich, well drained soil in full sun to partial shade. VI-IX.

(plus Shipping Costs)
seed package 3614 € 4,99*
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.

Asclepias viridiflora (Green Comet Milkweed)

Asclepias viridiflora (Green Comet Milkweed)

60 (80)cm, Green Comet Milkweed makes erect stems with light green flowers in a dense umbel above broad, opposite leaves. It is native of rocky, open areas in prairies in the USA (Georgia, north-eastern Mexico, Ontario and S New England). For any humus rich, very well drained, preferably rocky soil in full sun. VII-VIII.

(plus Shipping Costs)
seed package 1011 € 4,99

Asclepias viridis (Antelope-Horn Milkweed)

Asclepias viridis (Antelope-Horn Milkweed)

50 (80)cm, Antelope-Horn Milkweed is a herbaceous species with upright stems crowned with umbels of greenish-purple flowers above lanceolate to elliptic, alternate leaves. It is native of prairies and humus rich, open spots in woods in the USA (Nebraska, West Virginia, Florida and W Texas). For any humus rich, very well drained, slightly rocky soil in full sun. VII-VIII.

(plus Shipping Costs)
seed package 1002 € 2,49*
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.