Tropaeolum Species, Mastuerzo, Garden Nasturtium, Indian Cress, Monks Cress

Tropaeolum majus

Genus
Tropaeolum (tro-PEE-oh-lum)
Species
majus (MAY-jus)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Deciduous
Shiny/Glossy
Height
6-12 in. (15-30 cm)
Spacing
6-9 in. (15-22 cm)
Hardiness
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
N/A
Bloom Color
Red
Orange
Bright Yellow
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Annuals
Tropicals and Tender Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Remove fleshy coating on seeds before storing
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Auburn, Alabama

Benson, Arizona

Alameda, California

Fair Oaks, California

Fallbrook, California(5 reports)

San Diego, California

San Francisco, California

San Leandro, California

Santa Cruz, California

Simi Valley, California

Denver, Colorado

Washington, District of Columbia

Bartow, Florida

Frostproof, Florida

Keystone Heights, Florida

Miami, Florida

Sarasota, Florida(2 reports)

Brunswick, Georgia

Zachary, Louisiana

Worcester, Massachusetts

Belmar, New Jersey

Tuckerton, New Jersey

Albuquerque, New Mexico

Ogdensburg, New York

Asheville, North Carolina

Brookings, Oregon

Harbor, Oregon

Greensburg, Pennsylvania

Mercer, Pennsylvania

Pittsburgh, Pennsylvania

Sumter, South Carolina

Arlington, Texas

Austin, Texas

El Paso, Texas

Mcallen, Texas

Red Oak, Texas

Norwich, Vermont

Blakely Island, Washington

Spokane, Washington

Parkersburg, West Virginia

Delavan, Wisconsin

Madison, Wisconsin

show all

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Gardener's Notes:

11
positives
4
neutrals
0
negative
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R
R
| November 2016 | positive

I guerrilla garden them every year here in Holland, on places I walk by that are without any vegetation and could use some easy and fast ...Read More

N
San Diego, CA (Zone 10b) | May 2010 | positive

I think it is safe to say that this plant has naturalized on the Pacific strip of the Western US. It grows in untended areas all over San...Read More

D
Ogdensburg, NY | August 2008 | positive

Probably best to direct sow these. I tried growing them indoors first and only got one to take off out of the ten I tried...but one is a...Read More

K
(Zone 6a) | June 2008 | positive

These will flower madly in poor soil, need little watering, and have a slight peppery flavor added to salads. May also be floated on soup...Read More

R
Madison, WI (Zone 5a) | July 2007 | neutral

I'm not really fond of nasturtiums, although I grow them every year because they are so darn easy! They are easy to germinate (direct sow...Read More

D
Coppell, TX (Zone 8a) | June 2006 | positive

This is a great herb! In NCentralTX I plant in late February and cover if there is a freeze. They bloom almost continuously from April ...Read More

G
G
Washington, DC | March 2006 | positive

At first I watered it regularly and got nothing. Then I left it on its, watering only about every 10 days. Flowers like crazy. I planted ...Read More

M
| June 2004 | neutral

How should I cook or use my Nasturtium in an edible way?
I know it is positively planted near beans in biological gardening.

R
Citrus Heights, CA (Zone 9b) | April 2004 | positive

These were some of the most beautiful Nasturtiums I have ever seen. They were growing in Stinson Beach Ca. It doesn't freeze there, excep...Read More

A
A
| July 2003 | neutral

Hello - I started from seed a little late (June), and now have lots of foliage but not one flower, and I have about 5 plants.

L
Mcallen, TX (Zone 8a) | May 2003 | positive

This plant is a heat-loving annual. Flowers are used as an ingredient in salads and other dishes.

To make "capers" from t...Read More

P
Torrance, CA | May 2003 | positive

The leaves, stems, flowers and seeds of all varieties of Nasturtium are edible They have a pleasant, "peppery" flavor when added raw to ...Read More

L
L
lft
| April 2003 | positive

Thanks for the great pictures of this plant. I'd like to know if all varieties of Nasturtium are edible.

L
Grove City, OH (Zone 6a) | January 2003 | positive

Grow in low-fertility soil or few flowers will appear. Nasturtiums also make great houseplants. If you provide extra light, they will b...Read More

E
E
(Zone 4b) | August 2001 | neutral

This plant is edible and you can use the seedpods as capers.

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