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Bloodflower, Swallow-wort, Butterfly Weed, Mexican Milkweed, Scarlet Milkweed
Asclepias curassavica 'Silky Scarlet'

Family: Apocynaceae (a-pos-ih-NAY-see-ee) (Info)
Genus: Asclepias (ass-KLE-pee-us) (Info)
Species: curassavica (ku-ra-SAV-ik-uh) (Info)
Cultivar: Silky Scarlet
Synonym:Asclepias cubensis
Synonym:Asclepias margaritacea
View this plant in a garden

Category:

Annuals

Tropicals and Tender Perennials

Height:

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

36-48 in. (90-120 cm)

Spacing:

18-24 in. (45-60 cm)

Hardiness:

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:

Full Sun

Danger:

Parts of plant are poisonous if ingested

Bloom Color:

Red-Orange

Bloom Time:

Mid Summer

Late Summer/Early Fall

Foliage:

Herbaceous

Other details:

This plant is attractive to bees, butterflies and/or birds

Average Water Needs; Water regularly; do not overwater

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Non-patented

Propagation Methods:

By dividing rhizomes, tubers, corms or bulbs (including offsets)

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

From seed; stratify if sowing indoors

Seed Collecting:

Bag seedheads to capture ripening seed

Allow pods to dry on plant; break open to collect seeds

Properly cleaned, seed can be successfully stored

Regional

This plant has been said to grow in the following regions:

Arroyo Grande, California

Port Charlotte, Florida

Florence, Mississippi

Purvis, Mississippi

Belton, Texas

Los Fresnos, Texas

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Gardeners' Notes:

1
positive
1
neutral
0
negatives
RatingContent
Positive

On May 27, 2014, Domehomedee from Arroyo Grande, CA (Zone 9a) wrote:

I've had these growing in my garden for years. They usually only last three years, but I get a couple volunteers each year so they are self perpetuating. They are pretty and I get Monarch cats on them yearly.

Neutral

On Sep 28, 2006, Magpye from NW Qtr, AR (Zone 6a) wrote:

Asclepias curassavica .. is also known as, Tropical Milkweed.