Tall White Lettuce
Prenanthes altissima

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Prenanthes (pre-NAN-theez) (Info)
Species: altissima (al-TISS-ih-muh) (Info)

Category:

Perennials

Height:

4-6 ft. (1.2-1.8 m)

Spacing:

15-18 in. (38-45 cm)

18-24 in. (45-60 cm)

Hardiness:

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)

Sun Exposure:

Sun to Partial Shade

Danger:

N/A

Bloom Color:

Cream/Tan

Bloom Time:

Late Summer/Early Fall

Mid Fall

Foliage:

Herbaceous

Other details:

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

Average Water Needs; Water regularly; do not overwater

Requires consistently moist soil; do not let dry out between waterings

This plant may be considered a protected species; check before digging or gathering seeds

Soil pH requirements:

6.6 to 7.5 (neutral)

Patent Information:

Non-patented

Propagation Methods:

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

From seed; stratify if sowing indoors

Seed Collecting:

Collect seedhead/pod when flowers fade; allow to dry

Properly cleaned, seed can be successfully stored

Regional

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

Harrison, Arkansas

Cornelia, Georgia

Wilkes Barre, Pennsylvania

Gardeners' Notes:

No details have been posted.