Lablab purpureus
GROW ZONES: 2-11, Perennial in zones 10 and warmer
SEED DEPTH: 1" deep, 6" apart. Thin to 12" apart when 2" tall.
GERM: 3–30 days depending on heat”
SOIL: Poor soil with good drainage
SUN: Full sun to part shade
MATURE size: 10'–20’ vine
SPACING: 9-12". Wider spacing creates stronger, thicker stems.
DAYS TO MATURITY: 65-110
Growing tips
Once temps are consistently warm: 1 to 2 weeks after your average last frost date, and when soil temperature is at least 65°F, ideally 70°–85°F, direct sow a group of 2 seeds 1” deep every 12" or 1 seed every 6” in good sun where the vines can climb. When 2" tall, thin to 1 every 12". Successive sow every 7 to 14 days until temps get closer to 90°. Used in Asian, Thai, and Indian cuisine. While all parts of the plant are edible, the beans contain toxins and must be boiled twice if eating. Probably a better idea to save them for next year.