How to grow yardlong beans

Vigna unguiculata subsp. sesquipedalis · fabaceae family · annual crop

Yardlong bean — hero (AI-generated reference image) — AI-generated reference image. Have a photo of this plant? Suggest one below.

Growing basics

Yardlong bean is a warm-season crop, usually direct-sown in the garden.

Seeds germinate once soil reaches about 65°F.

Varieties in the library run 52 to 85 days to maturity.

Grows best in full sun.

Frost-tender: plants go out after the last frost.

Space plants about 6 inches apart.

Sources

3 yardlong beans in the library

Orient Wonder · Red Noodle · Liana

Each has a full cited page in the library.

Pests and diseases we cover

Aphid
Bean leaf beetle
Leaf-footed bug
Mexican bean beetle
Two-spotted spider mite
Whitefly
Anthracnose
Bean common mosaic virus
Cucumber mosaic virus (CMV)
Fusarium wilt
Powdery mildew

Identification and treatment for each, with photos, in the library.

Row & Bed covers 3 yardlong bean varieties, each with a cited care timeline and fertilization schedule, identification and treatment for the 6 pests and 5 diseases that reach them, and planting windows worked out for your ZIP.

Set up your garden

See something that does not match your garden? Write to andy@rowandbed.com.