Lathyrus Species, Earth-Nut Pea, Tuberous Pea, Tuberous Vetchling
Lathyrustuberosus

Family: Fabaceae (fab-AY-see-ee)
Genus: Lathyrus (LAY-thy-russ)
Species: tuberosus (too-ber-OH-sus)

Category
Vines and Climbers

Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Deciduous
Smooth

Foliage Color

Height
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

Spacing
3-6 in. (7-15 cm)
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)

Hardiness
USDA Zone 1: below -45.6 °C (-55 °F)

Where to Grow
Can be grown as an annual

Danger
Parts of plant are poisonous if ingested

Bloom Color
Magenta (pink-purple)
Fuchsia (red-purple)

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant

Bloom Size

Bloom Time
Late Spring/Early Summer

Other details
May be a noxious weed or invasive

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
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; sow indoors before last frost
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting
Allow pods to dry on plant; break open to collect seeds