Photo: John PowersCC BY 4.0via iNaturalistresized / cropped
Twinpod Plant Care
Physaria didymocarpa (Hook.) A.Gray
Updated · Sources · How we source care data
Physaria didymocarpa, also known as twin bladderpod, is a unique plant with small round leaves that have a distinct silvery-green color. It is native to the rocky slopes and prairies of North America and is popular among plant enthusiasts for its drought tolerance and attractive yellow flowers.
Every 7–14 days
Full sun to partial shade
50–80°F
40–60%
At a glance
How do you care for Twinpod?
Water Twinpod every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–60% humidity. Fertilize it every month during the growing season.
Where Is the Twinpod Native To?
What Is the Twinpod?
Twinpod (Physaria didymocarpa) belongs to the Brassicaceae family within the Physaria genus. Twinpod is native to western North America, including British Columbia and Alberta in Canada and the northwestern United States. Twinpod is also known as Bladderpod.
Twinpod displays a low rosette, spreading growth habit, reaching up to tall with a spread of approximately . Twinpod produces small yellow flowers in clusters.
Leaf size: approximately 1 inches.
How Often Should You Water a Twinpod?
Physaria didymocarpa requires watering every 7–14 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 7–14 days
Let soil partially dry between waterings
What Light Does the Twinpod Need?
Twinpod thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Twinpod Prefer?
Physaria didymocarpa grows best at temperatures of 50–80°F. Twinpod prefers humidity levels of 40–60%.
Temperature
50–80°F
Humidity
40–60%
What Soil Mix Works Best for a Twinpod?
Well-draining sandy soil with added organic matter for nutrients. Good drainage is essential for Twinpod to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Twinpod?
Feed Twinpod every month 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 month
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Twinpod?
Repot every 1-2 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 Twinpod?
Twinpod can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to king's bladderpod plant care, which shares the same genus.
Is the Twinpod Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Twinpod, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
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 Twinpod?
Twinpod is susceptible to aphids, cabbage worms, flea beetles. 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 Twinpod Need?
Twinpod grows outdoors in USDA Zone 3a – 8b. It survives winters down to planting zone 3a. Twinpod is native to western North America, including British Columbia and Alberta in Canada and the northwestern United States.
Hardiness Zone
Zone 3a – 8b
Keep exploring plants
Twinpod 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 Physaria genus (family Brassicaceae) — search all Physaria species in the plant lookup.
Twinpod thrives in bright light and direct sun — see other bright-light plants.
More Physaria Species
Other Physaria species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Physaria didymocarpa (Hook.) A.Gray, family Brassicaceae (first published in Gen. Amer. Bor. 1: 162 (1848)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Twinpod, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: John Powers, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 3a – 8b, estimated from the plant's typical growing conditions.
- 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.
Identify Plants Like the
Twinpod Instantly
Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.
Free
to download
iOS & Android
platforms
Light & dark
mode
100,000+
species