General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Minimum cold hardiness: Zone 2 -45.6 °C (-50 °F) to -42.8 °C (-45°F)
Maximum recommended zone: Zone 8a
Plant Height: under 6 inches
Plant Spread: up to 10 inches across
Leaves: Evergreen
Other: fuzzy
Fruit: Showy
Other: Inflated two-part pods that dry out and are blown by the wind.
Flowers: Showy
Flower Color: Yellow
Bloom Size: Under 1"
Flower Time: Summer
Underground structures: Taproot
Suitable Locations: Xeriscapic
Alpine Gardening
Propagation: Seeds: Scarify seeds: Seeds germinate in a few days at room temperature after scarification.
Suitable for wintersowing
Sow in situ
Start indoors
Can handle transplanting
Containers: Suitable in 1 gallon
Suitable in 3 gallon or larger
Needs excellent drainage in pots

Image
Common names
  • Common Twinpod
  • Double Bladder Pod

Photo Gallery
Location: Missouri Botanical Garden in St Louis
Date: 2025-04-16
Location: St Louis - MoBOT
Location: St Louis - MoBOT
Location: My garden, Calgary, Alberta, Canada; zone 3.
Date: 2012-12-09
Location: Alpine-subalpine ridge, eastern slope Rockies, west of Calgary.
Date: 2012-12-08
Location: Alpine-subalpine ridge, eastern slope Rockies, west of Calgary.
Date: 2012-12-08
Location: My garden, Calgary, Alberta, Canada; zone 3.
Date: 2010-05-30

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