Buffalo Nut, Bull Nut, Bat Nut, Devil's Pod

Trapa bicornis

Family: Lythraceae (ly-THRAY-see-ee) (Info)
Genus: Trapa (TRA-puh) (Info)
Species: bicornis (BY-korn-iss) (Info)

Category:

Edible Fruits and Nuts

Ponds and Aquatics

Tropicals and Tender Perennials

Water Requirements:

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

Very high moisture needs; suitable for bogs and water gardens

Sun Exposure:

Full Sun

Sun to Partial Shade

Foliage:

Unknown - Tell us

Foliage Color:

Orange/Apricot

Height:

Unknown - Tell us

Spacing:

Unknown - Tell us

Hardiness:

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Where to Grow:

Grow outdoors year-round in hardiness zone

Can be grown as an annual

Danger:

N/A

Bloom Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Bloom Size:

Unknown - Tell us

Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Other details:

May be a noxious weed or invasive

Soil pH requirements:

Unknown - Tell us

Patent Information:

Non-patented

Propagation Methods:

Direct sow as soon as the ground can be worked

From seed; sow indoors before last frost

From seed; direct sow after last frost

From seed; germinate in a damp paper towel

Seed Collecting:

Properly cleaned, seed can be successfully stored

Gardeners' Notes:

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RatingContent
Positive

On Oct 22, 2015, janelp_lee from Toronto, ON (Zone 6a) wrote:

It is common seasonal snack/dish in fall. Cooked nuts has unique fragrance. Leaves and shells are also medicinal as well as nuts.

One nut is one seed. Raw nuts(seeds) are toxic. Easy to grow from seeds. Very hardy! In summer, plants have small white flowers which bloom above water to attract pollinators to pollinate, once is done then nuts forming under water.

Harvest and storage:

Collect seeds/nuts when they are well developed. Gently lift the floating plant to check if nuts are ready. The mature nuts shell is hard when you gently squeeze, otherwise will be still soft. Mature viable nuts are heavy enough they will sink to bottom of water.

Keep nuts moist and cool with damp medium or in a jar of clean water in fridge. C... read more

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