Nasturtium
Tropaeolum majus 'Cobra'

Family: Tropaeolaceae
Genus: Tropaeolum (tro-PEE-oh-lum) (Info)
Species: majus (MAY-jus) (Info)
Cultivar: Cobra

Category:

Annuals

Herbs

Tropicals and Tender Perennials

Foliage Color:

Dark/Black

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us

Height:

24-36 in. (60-90 cm)

Spacing:

15-18 in. (38-45 cm)

Hardiness:

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

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:

Full Sun

Sun to Partial Shade

Danger:

N/A

Bloom Color:

Scarlet (Dark Red)

Bloom Time:

Blooms all year

Foliage:

Herbaceous

Other details:

Unknown - Tell us

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; direct sow outdoors in fall

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

Regional

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

Fernandina Beach, Florida

Gardeners' Notes:

1
positive
0
neutrals
1
negative
RatingContent
Positive

On May 8, 2011, jccravey from Lawtey, FL wrote:

Had about average germination for nasturtiums (>50%). Plants are doing well. Blooms are beautiful against blackish leaves.

Negative

On Oct 23, 2010, dicentra63 from West Valley City, UT (Zone 6b) wrote:

As many noted in the Products and Sources forum for Thompson and Morgan, the germination rate for "Cobra" is abysmal. I planted 15-21 seeds in part-shade hanging baskets and got three germinations.

Furthermore, the foliage was pale green and sickly (possibly didn't get enough sun) and not at all like the magnificent specimen in the photo.

http://www.tmseeds.com/images/uploads/2304_2311_large.jpg