Zinnia Species, Little Golden Zinnia, Plains Zinnia, Prairie Zinnia, Rocky Mountain Zinnia

Zinniagrandiflora

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Zinnia (ZIN-ya)
Species
grandiflora (gran-dih-FLOR-uh)
Synonym
Crassina grandiflora
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
under 6 in. (15 cm)
Spacing
12-15 in. (30-38 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Bloom Color
Bright Yellow
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; sow indoors before last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

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

Concho, Arizona

Mesa, Arizona

Sierra Vista, Arizona

Denver, Colorado(2 reports)

Littleton, Colorado

Parker, Colorado

Salmon, Idaho

Elephant Butte, New Mexico

High Rolls Mountain Park, New Mexico

Taos, New Mexico

Arlington, Texas

Ogden, Utah

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Featured Videos

Gardener's Notes:

1
positive
2
neutrals
0
negative
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A
A
| August 2008 | positive

This plant is an extreme bee & butterfly magnet. Very abundant along roadsides and rocky slopes in this area. I hope to cultivate this pl...Read More

X
Phoenix, AZ (Zone 9b) | July 2007 | neutral

Seen growing along the side of the road between Concho & Showlow, Arizona. Apache County, Highway 61, June 30th, mid Summer, zone 6b, ele...Read More

M
M
Benton, KY (Zone 7a) | February 2005 | neutral

Several short, leafy, slightly woody stems in a low, round clump bearing numerous small yellow flower heads.

Found in dry ...Read More

Featured
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(Chelinidea vittiger)
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(Pinicola enucleator)
Featured
Leaf-footed Bug
(Chelinidea vittiger)
Pine Grosbeak
(Pinicola enucleator)