Vegetable Oyster Plant, Salsify, Wild Quinine
Tragopogon porrifolius 'Mammoth Sandwich Island'

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Tragopogon (tra-go-POH-gon) (Info)
Species: porrifolius (po-ree-FOH-lee-us) (Info)
Cultivar: Mammoth Sandwich Island

Category:

Biennials

Vegetables

Height:

24-36 in. (60-90 cm)

Spacing:

12-15 in. (30-38 cm)

Hardiness:

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:

Sun to Partial Shade

Danger:

N/A

Bloom Color:

Violet/Lavender

Purple

Bloom Time:

Unknown - Tell us

Foliage:

Grown for foliage

Other details:

Average Water Needs; Water regularly; do not overwater

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:

From seed; direct sow after last frost

Seed Collecting:

Seed does not store well; sow as soon as possible

Regional

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

Brodhead, Kentucky

Wayne, New Jersey

Fort Worth, Texas

Troy, Virginia

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On Dec 10, 2005, Farmerdill from Augusta, GA (Zone 8a) wrote:

This is the most popular cultivar of salsify in the USA and widely available. It grew reasonably well in Virginia but has difficulties with the Georgia heat. Delicious in a mock oyster stew.