Hardy Gasania, Treasure Flower 'Colorado Gold'

Gazanialinearis

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Gazania (gay-ZAY-nee-uh)
Species
linearis (lin-AIR-iss)
Synonym
Gazania longiscapa
Gorteria linearis
Sun Exposure
Full Sun
Foliage
Herbaceous
Smooth
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)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Bright Yellow
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Blooms repeatedly
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Can be grown as an annual
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From herbaceous stem cuttings
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
Properly cleaned, seed can be successfully stored
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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

Colorado Springs, Colorado

Denver, Colorado

Lewes, Delaware

North Port, Florida

Pensacola, Florida

Baldwin City, Kansas

Bellaire, Michigan

High Rolls Mountain Park, New Mexico

Wilmington, North Carolina

Oklahoma City, Oklahoma

Conway, South Carolina

Laramie, Wyoming

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Gardener's Notes:

3
positives
0
neutral
0
negative
Sort By:
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F
Oceanside, CA (Zone 10b) | April 2007 | positive

I grow these extensively in my back yard all year long and in So. Cal they are definitely not a slow-grower, they spread very fast from m...Read More

L
Ogden, UT (Zone 5b) | February 2005 | positive

This is a tough little plant that spreads slowly and self-sows. Good for a xeriscape or rock garden.

W
W
Wilmington, NC | July 2003 | positive

I grew these this summer and they are beautiful! They do well in a container or in the ground. They filled the container nicely, then I...Read More

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