How to grow luffa (loofah gourd)

Luffa aegyptiaca · Cucurbitaceae · Vegetable

Luffa (Loofah Gourd) is a warm-season vegetable in the Cucurbitaceae family, grown either from a direct sowing or from transplants. It wants full sun (six or more hours of direct light) and steady, even moisture. From sowing to first pick is about 90–150 days. It is killed by frost, so nothing goes outside until the danger has passed and the soil has warmed.

Grower’s note: A vigorous cucumber-family vine that needs a long season and a sturdy trellis (fence, arbor or cattle panel) to keep the long fruit straight and off the ground. Pick young at 60-70 days and cook it like a summer squash, or leave fruit on the vine until the skin browns and dries for a fibrous sponge - peel, shake out the seeds, and rinse before use.

Sowing

Sow about 1″ deep, into soil between 70–95°F — germination is quickest near 85°F. Germination takes a week or two (7–14 days). For an early crop, start seed indoors about 4 weeks before your last spring frost and grow it under bright light.

Spacing & layout

Give each plant about 24″ along the row with roughly 60″ between rows. On a square-foot grid that is one plant per 4 square feet. Allow at least 24″ of loose, workable soil for the roots. It needs more root room than most containers give and does best in the ground.

Fitting it to your season

Luffa (Loofah Gourd) needs roughly 90–150 frost-free days to crop. Where the season is shorter than that, start it indoors and choose the earliest-maturing varieties, or grow it in a container you can move under cover on cold nights. In long, hot-summer regions it can often be planted twice — once in spring and again in mid-to-late summer for a fall harvest.

Quick facts

When to plant luffa (loofah gourd)

Companions

Common problems

Pests: striped cucumber beetle, squash bug, aphids, spider mite.

Diseases & disorders: powdery mildew, downy mildew, bacterial wilt.

Same family (Cucurbitaceae)

Rotate these so they don’t follow each other in the same bed year to year.

Figures are typical home-garden ranges from Cooperative Extension planting guides, cross-checked against multiple state sources. Your variety and conditions will vary.