Polemoniaceae
Polemonium foliosissimum var. foliosissimum
Polemonium foliosissimum var. foliosissimum var. foliosissimum
Also known as Polemonium foliosissimum f. molle, Polemonium pterospermum, Polemonium grande, Polemonium archibaldiae
Flowering Plants · Native Plants · Leafy Jacob'S Ladder · Polemonium · Native Perennial · Mountain West · Shade Garden · Cottage Garden · Blue Flowers · Pollinator · Clump Forming · Summer Bloomer
Leafy polemonium is a robust, clump-forming native perennial from the mountain West, best grown in moist, fertile, well-drained soil in partial shade to dappled sunlight. Water regularly during the growing season, especially in warmer climates, and divide clumps every few years to maintain vigor. Its tall, ferny foliage and clusters of violet-blue flowers in early summer add elegant texture to shade and cottage gardens.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Water deeply to keep soil consistently moist but never waterlogged; allow the top inch to dry slightly between waterings · Every 7-10 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 6.5–8
- Temperature
- -40°F to 80°F
- Cycle
- Perennial
Hardiness
USDA 3a-8b
Form & growth
Mature size and habit
- Mature height
- 18 in – 3 ft
- Spread
- 2 ft
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- White
- Foliage
- Green · Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Arizona, Colorado, New Mexico, Utah
- Attracts
- Bees, Butterflies, Hummingbirds, Moths
Sources: trefle, usda
More Polemonium
Related plants from the same genus
Polemonium foliosissimum var. flavum
Polemonium foliosissimum var. flavum
Partial Sun · Moderate · Moderate
Polemonium foliosissimum var. alpinum
Polemonium foliosissimum var. alpinum
Partial Sun · Moderate · Moderate
Polemonium occidentale subsp. lacustre
Polemonium occidentale subsp. lacustre
Partial Sun · Moderate · Moderate
Polemonium acutiflorum
Polemonium acutiflorum
Partial Sun · Moderate · Fast
Buy this plant
No nurseries currently list it
No nursery lists Polemonium foliosissimum var. foliosissimum right now.