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PlantFiles: Mashua, Perennial Nasturtium
Tropaeolum tuberosum

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Family: Tropaeolaceae
Genus: Tropaeolum (tro-PEE-oh-lum) (Info)
Species: tuberosum (too-ber-OH-sum) (Info)

One vendor has this plant for sale.

23 members have or want this plant for trade.

Category:
Vines and Climbers

Height:
10-12 ft. (3-3.6 m)

Spacing:
Unknown - Tell us

Hardiness:
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun

Danger:
N/A

Bloom Color:
Orange

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Grown for foliage
Herbaceous
Smooth-Textured

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

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Non-patented

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; sow indoors before last frost

Seed Collecting:
Unknown - Tell us

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to view:

By Weezingreens
Thumbnail #1 of Tropaeolum tuberosum by Weezingreens

By redtitan
Thumbnail #2 of Tropaeolum tuberosum by redtitan

By redtitan
Thumbnail #3 of Tropaeolum tuberosum by redtitan

Profile:

1 positive
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive redtitan On Dec 10, 2010, redtitan from Rochester, WA wrote:

Mashua grew really well here. The plant I had grew vigorously and vined high up the apple tree it was next to. A trellis or an objective for it to climb really helps with this plant. Produced >5 lbs tubers on one plant, but we had a late frost (heavy frosts kill back the plant) this year. Plants except for "Ken Aslet" variety form tubers only after fall equinox, so late frosts help increase yield. Plant flowered in the fall.

Neutral Michaelp On Feb 9, 2003, Michaelp from Glendale, UT (Zone 5a) wrote:

A close relative of the common nasturtium, all parts are said to be edible. Resistant to many insects, frost tolerant, high yielding. Can be eaten raw, are a little hot like the radish, when boiled they are not hot, but become mild and sort of sweet. It is said they like cool wet summers and do well in poor soils.

Neutral Baa On Oct 7, 2001, Baa wrote:

A tuberous perennial climber from South America.

Has greyish green, rounded, lobed leaves. Bears small, solitary, cup shaped, orange-yellow flowers with red sepals and long spurs.

Flowers August to early October

Likes a moist, well drained soil in full sun and something to climb up or over.

Only hardy down to freezing and lifting the tubers to store in a frost free place over winter is the easiest option.

Regional...

This plant has been said to grow in the following regions:

Albany, California
San Francisco, California
Brookings, Oregon
Sweet Home, Oregon
Salt Lake City, Utah
Grand Mound, Washington



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