Asclepias tuberosa subsp. interior
Asclepias tuberosa subsp. interior
- Native to:
- Canada | ON, QC | Mexico | Mexico Northeast, Mexico Northwest | United States | AL, AR, AZ, CO, CT, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, NE, NH, NJ, NM, NY, OH, OK, PA, SC, SD, TN, TX, UT, VA, VT, WI, WV | Virgin Islands
GBIF: chrisaggie






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Apocynaceae
- Genus:
- Asclepias
- Species:
- Asclepias tuberosa subsp. interior
Growth Characteristics
- Growth Habit:
- Geophyte
- Height:
- 90 cm
- Drought Tolerance:
- High
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- orange, yellow, red
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, hummingbirds, beneficial insects
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Deep taproot allows resprouting after fire or grazing. Fire removes thatch and stimulates vigorous flowering in prairie ecosystems.
Source: Claude claude-sonnet-4-5-20250929 Batch
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 7–21 days
- Notes:
- Seeds require light for germination. Sow on surface or barely cover. Stratification improves germination rates significantly.
Source: Claude claude-sonnet-4-5-20250929 Batch
ORGHPS Germination Guide: Should not need chilling