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PlantFiles: Texas Milkweed
Asclepias texana

Family: Apocynaceae (a-pos-ih-NAY-see-ee) (Info)
Genus: Asclepias (ass-KLE-pee-us) (Info)
Species: texana (tek-SAY-nuh) (Info)

16 members have or want this plant for trade.

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6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

Unknown - Tell us

USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
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)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade
Partial to Full Shade

Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall


Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
Unknown - Tell us

Patent Information:

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Direct sow as soon as the ground can be worked

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored

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4 positives
No neutrals
No negatives

Gardeners' Notes:

Positive jameso On Jun 27, 2011, jameso from Longview, TX wrote:

I've got several of these plants and have found them to be butterly attractors. I've never seen a monarch "cat" on them because I've got several other types of milkweeds including the Mexican milkweed. That one seems to attract the egg layers. However, I did transfer a "cat" to a texana inside a cage and they adapted nicely.

Positive Danny112596 On Jul 29, 2008, Danny112596 from Los Fresnos, TX (Zone 10a) wrote:

Texas Milkweed is a very rare, but showy milkweed. If it is not flowering it can fool you into believing it is a chile plant or just a plain weed, so if you see something that looks like a wild chile rip a leaf off and if the milky substance oozes out (even just a little) you've found Texas Milkweed! It is native only in Texas in these counties: Bexar, Travis, Williamson, Kerr, Bastrop, Comal, Kendall, Bandera, Gillespie, Llano, Uvalde, Real, Jeff Davis, Brewster, and now Cameron. It is Great for butterflies (especially the monarch) and is well behaved! If you live in Cameron county, you may need to use Cold Moist Stratification on the seeds so they grow.

Added: Texas Milkweed is not native to Cameron County, Texas, but I am growing some here and they are doing great! We have similar weather to the Texas Hill Country where Texas Milkweed is native. I believe Texas Milkweed could be introduced to cameron County.

Positive frostweed On Nov 30, 2006, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Texas Milkweed Asclepias texana is Endemic to Texas.

Positive LindaTX8 On Sep 28, 2006, LindaTX8 from NE Medina Co., TX (Zone 8a) wrote:

Texas Milkweed, sometimes called White Milkweed, is a Texas native endemic plant. I've seen it growing in the Hill Country of Texas, including my own property. It can be beautiful when it's blooming and even the foliage is attractive! It can tolerate the heat and poor soils of this area fairly well, but doesn't form large colonies, just more likely scattered plants or a few here and there. It doesn't produce a lot of seed (just from what I've seen), which limits the number of new plants. If you're lucky enough to have any of these or can acquire any, take good care of them, because not many people have them. It can be grown from seeds and transplanting it is surprisingly easy, considering it's a milkweed.
Added: Some info I found says it does not need any cold stratification and since I've planted seed that comes up without that cold stratification, I agree with that info.


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

Arlington, Texas
Brownsville, Texas
Helotes, Texas
Kaufman, Texas
Longview, Texas
Los Fresnos, Texas
San Antonio, Texas

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