Agoseris Species, Bigflower Agoseris, California Dandelion, Mountain Dandelion

Agoserisgrandiflora

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Agoseris (a-go-SER-iss)
Species
grandiflora (gran-dih-FLOR-uh)
Synonym
Agoseris cinerea
Agoseris grandiflora var. intermedia
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
Spacing
3-6 in. (7-15 cm)
6-9 in. (15-22 cm)
Hardiness
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
Bloom Color
Pale Yellow
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

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

Malibu, California

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Gardener's Notes:

0
positive
1
neutral
0
negative
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San Antonio, TX (Zone 8b) | February 2005 | neutral

I have not grown this plant. Common names include: Mountain dandelion, Large-flowered Agoseris and California Dandelion. It naturally ran...Read More

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