Glehnia Species, American Silvertop, Beach Silvertop

Glehnialittoralis

Family
Apiaceae (ay-pee-AY-see-ee)
Genus
Glehnia (GLEN-ee-uh)
Species
littoralis (lit-tor-AY-liss)
Synonym
Cymopterus littoralis
Sun Exposure
Full Sun
Foliage
Grown for foliage
Herbaceous
Height
under 6 in. (15 cm)
Spacing
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
Hardiness
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Danger
N/A
Bloom Color
White/Near White
Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Other Details
Category
Groundcovers
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
Seed Collecting
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Richmond, California

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Gardener's Notes:

1
positive
0
neutral
0
negative
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M
Benton, KY (Zone 7a) | February 2005 | positive

A low spreading plant withrosettes of pinnate leaves lying on the sand. Small tight, round, short stemmed umbels rising from the center b...Read More

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