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PlantFiles: Blanket Flower, Indian Blanket, Gaillardia
Gaillardia x grandiflora 'Portola Giants'

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Gaillardia (gay-LAR-dee-uh) (Info)
Species: x grandiflora (gran-dih-FLOR-uh) (Info)
Cultivar: Portola Giants

12 members have or want this plant for trade.

Category:
Perennials

Height:
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing:
12-15 in. (30-38 cm)

Hardiness:
USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun

Danger:
N/A

Bloom Color:
Red
Orange
Bright Yellow

Bloom Time:
Mid Summer
Late Summer/Early Fall
Mid Fall
Blooms repeatedly

Foliage:
Herbaceous

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By Gabrielle
Thumbnail #1 of Gaillardia x grandiflora by Gabrielle

By redzone911
Thumbnail #2 of Gaillardia x grandiflora by redzone911

By Lala_Jane
Thumbnail #3 of Gaillardia x grandiflora by Lala_Jane

By Lala_Jane
Thumbnail #4 of Gaillardia x grandiflora by Lala_Jane

By TUTMOS
Thumbnail #5 of Gaillardia x grandiflora by TUTMOS

By TUTMOS
Thumbnail #6 of Gaillardia x grandiflora by TUTMOS

By TUTMOS
Thumbnail #7 of Gaillardia x grandiflora by TUTMOS

There are a total of 8 photos.
Click here to view them all!

Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Photographer On Apr 10, 2007, Photographer from Moxee, WA (Zone 4a) wrote:

This plant thrives in our region. I have more of it than almost every other flower. It just keeps spreading.

Neutral Gabrielle On Feb 5, 2006, Gabrielle from (Zone 5a) wrote:

Very pretty flowers, but it does have a tendency to flop. It will self-seed some. Light aids germination of seeds.

Regional...

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

Palm Desert, California
Largo, Florida
Live Oak, Florida
Panama City, Florida
Windsor, Illinois
Pineville, Louisiana
Swanzey, New Hampshire
Albany, New York
Troy, New York
Charlotte, North Carolina
Grandy, North Carolina
Hood River, Oregon
North Augusta, South Carolina
Gainesville, Texas
Salt Lake City, Utah
Clarkston, Washington
Moxee, Washington
Madison, Wisconsin
Oshkosh, Wisconsin



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