Photo by Melody

PlantFiles: Prairie Zinnia, Little Golden Zinnia, Rocky Mountain Zinnia
Zinnia grandiflora

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Zinnia (ZIN-ya) (Info)
Species: grandiflora (gran-dih-FLOR-uh) (Info)

Synonym:Crassina grandiflora

One vendor has this plant for sale.

5 members have or want this plant for trade.

Category:
Perennials

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)

Sun Exposure:
Full Sun

Danger:
Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous

Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
Unknown - Tell us

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

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By Xenomorf
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By angele
Thumbnail #6 of Zinnia grandiflora by angele

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Thumbnail #7 of Zinnia grandiflora by plutodrive

There are a total of 8 photos.
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Profile:

1 positive
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive angele On Aug 26, 2008, angele wrote:

This plant is an extreme bee & butterfly magnet. Very abundant along roadsides and rocky slopes in this area. I hope to cultivate this plant. Zinnia acerosa is similar but with white flowers and clumps are usually larger.

Neutral Xenomorf On Jul 4, 2007, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

Seen growing along the side of the road between Concho & Showlow, Arizona. Apache County, Highway 61, June 30th, mid Summer, zone 6b, elevation 6300 ft.

Neutral melody On Feb 14, 2005, melody from Benton, KY (Zone 7a) wrote:

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

Found in dry areas in deserts and on the plains of southeastern CO, southwestern KS through AZ, NM, west TX to Mexico.

This genus is named for Johann Zinn, an 18th century German professor who collected the seeds of Z.elegans (from which the garden zinnia descends) He was accosted by bandits who, after searching his bag, left him alone, believing him crazy....and therefore, unlucky.

Regional...

This plant has been said to grow in the following regions:

Concho, Arizona
Sierra Vista, Arizona
Denver, Colorado (2 reports)
Parker, Colorado
Elephant Butte, New Mexico
Taos, New Mexico
Arlington, Texas



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