Carthamus Species, American Saffron, Dyer's Saffron, False Saffron, Safflower

Carthamustinctorius

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Carthamus (KAR-tha-mus)
Species
tinctorius (tink-TOR-ee-us)
Synonym
Centaurea carthamus
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Height
24-36 in. (60-90 cm)
Spacing
12-15 in. (30-38 cm)
Hardiness
Not Applicable
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Gold (yellow-orange)
Bloom Time
Mid Summer
Other Details
Category
Annuals
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
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
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
Properly cleaned, seed can be successfully stored
Regional

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

El Mirage, Arizona

Colorado Springs, Colorado

Melbourne, Kentucky

Brookeville, Maryland

Stanfordville, New York

Kalama, Washington

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Featured Videos

Gardener's Notes:

3
positives
0
neutral
0
negative
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J
Collierville, TN | June 2023 | positive

This is a surprise plant brought by the birds. I allowed the plant to grow and bloom to ID it. I'm glad I did not pulled it up thinking...Read More

B
Salt Lake City, UT (Zone 6b) | October 2011 | positive

I grew this for the ornamental value. I was afraid it wouldn't get around to blooming in this climate, but it did. A wonderful dried fl...Read More

C
Brookeville, MD (Zone 7a) | December 2007 | positive

This cheerful little plant popped up in a part sun mulched bed underneath a bird feeder.

Safflower seeds are very nutritio...Read More

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