General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Minimum cold hardiness: Zone 2 -45.6 °C (-50 °F) to -42.8 °C (-45°F)
Plant Height: To 3 inches
Plant Spread: Slowly spreading to 1 foot diameter or greater.
Leaves: Semi-evergreen
Other: Rosettes of millimeter-scale leaves.
Flowers: Showy
Flower Color: Yellow
Bloom Size: Under 1"
Flower Time: Late winter or early spring
Foliage Mound Height: About 1 inch.
Underground structures: Taproot
Suitable Locations: Alpine Gardening
Propagation: Other methods: Division
Containers: Suitable in 3 gallon or larger

Image
Common names
  • Whitlow Grass

Photo Gallery
Location: My garden, Calgary, Alberta, Canada; zone 3.
Date: 2010-05-10
Greening up in early spring.
Location: Utrecht Botanical Garden
Date: 2023-03-25
Location: My garden, Calgary, Alberta, Canada; zone 3.
Date: 2005-05-16
Location: Utrecht Botanical Garden
Date: 2023-03-25
Location: Utrecht Botanical Garden
Date: 2023-03-25
Location: St Louis
Date: 2016-04-05
Location: NYBG 
Date: June 14 22
Location: My garden, Calgary, Alberta, Canada; zone 3.
Date: 2013-01-26 
Overwintering form.
Discussion Threads about this plant
Thread Title Last Reply Replies
Lovely Clump! by goldfinch4 Jan 10, 2014 7:57 AM 10
Cool by WebTucker Apr 1, 2023 9:23 PM 0

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