Asclepias stenophylla Plant Care
Asclepias stenophylla A.Gray
Updated · Sources · How we source care data
Asclepias stenophylla is a species of flowering plant in the dogbane family commonly called slimleaf milkweed and narrow-leaved green milkweed.
Every 7–10 days
Full sun
60–85°F
40–60%
At a glance
How do you care for Asclepias stenophylla?
Water Asclepias stenophylla every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 60–85°F (16–29°C) and 40–60% humidity. Fertilize it every 6 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.
What Is the Asclepias stenophylla?
Asclepias stenophylla (Asclepias stenophylla) belongs to the Apocynaceae family within the Asclepias genus.
Asclepias stenophylla displays an upright, clumping perennial growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Asclepias stenophylla produces clusters of small, colorful flowers in shades of pink, orange, or yellow.
Leaf size: approximately 6 inches.
How Often Should You Water a Asclepias stenophylla?
Asclepias stenophylla requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Asclepias stenophylla Need?
Asclepias stenophylla thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Asclepias stenophylla Prefer?
Asclepias stenophylla grows best at temperatures of 60–85°F. Asclepias stenophylla prefers humidity levels of 40–60%.
Temperature
60–85°F
Humidity
40–60%
What Soil Mix Works Best for a Asclepias stenophylla?
Well-draining sandy loam with some organic matter. Good drainage is essential for Asclepias stenophylla to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Asclepias stenophylla?
Feed Asclepias stenophylla every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Asclepias stenophylla?
Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Asclepias stenophylla?
Asclepias stenophylla can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to tropical milkweed plant care, which shares the same genus.
Is the Asclepias stenophylla Toxic to Pets and Children?
Toxic (caution)
Reported as toxic in our plant data. Not verified by the ASPCA.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Asclepias stenophylla?
Asclepias stenophylla is susceptible to aphids, milkweed bugs, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Asclepias stenophylla Need?
Asclepias stenophylla grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Asclepias stenophylla as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Asclepias stenophylla is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Asclepias genus — compare its care with other Asclepias species on PlantoScan.
Asclepias is part of the Apocynaceae plant family — browse all Apocynaceae genera and species.
Asclepias stenophylla thrives in bright light and direct sun — see other bright-light plants.
More Asclepias Species
Other Asclepias species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Asclepias stenophylla A.Gray, family Apocynaceae (first published in Proc. Amer. Acad. Arts 12: 72 (1876)) — World Flora Online record, IPNI name record.
- Pet toxicity: Asclepias stenophylla is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
