Tragopogon Species, Common Salsify, Jerusalem Star, Oysterplant, Purple Goatsbeard
Tragopogonporrifolius

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

Category

Biennials

Water Requirements

Average Water Needs; Water regularly; do not overwater

Sun Exposure

Sun to Partial Shade

Foliage

Grown for foliage

Foliage Color

Unknown

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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Where to Grow

Grow outdoors year-round in hardiness zone

Danger

N/A

Bloom Color

Lavender
Medium Purple

Bloom Characteristics

This plant is attractive to bees, butterflies and/or birds

Bloom Size

Unknown

Bloom Time

Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Other details

Unknown

Soil pH requirements

6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information

Non-patented

Propagation Methods

From seed; direct sow outdoors in fall
Direct sow as soon as the ground can be worked
From seed; direct sow after last frost

Seed Collecting

Allow seedheads to dry on plants; remove and collect seeds
Seed does not store well; sow as soon as possible