Photo by Melody

PlantFiles: Waterfall Gladiolus
Gladiolus cardinalis

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Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Gladiolus (GLAD-ee-oh-lus) (Info)
Species: cardinalis (kar-dih-NAL-iss) (Info)

» View all varieties of Gladiolus

3 vendors have this plant for sale.

5 members have or want this plant for trade.

Category:
Bulbs
Tropicals and Tender Perennials

Height:
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing:
6-9 in. (15-22 cm)

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)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun

Danger:
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color:
Red
White/Near White

Bloom Time:
Late Spring/Early Summer

Foliage:
Herbaceous

Other details:
Average Water Needs; Water regularly; do not overwater

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)

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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By AnniesAnnuals
Thumbnail #1 of Gladiolus cardinalis by AnniesAnnuals

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Thumbnail #2 of Gladiolus cardinalis by KanapahaLEW

By RosinaBloom
Thumbnail #3 of Gladiolus cardinalis by RosinaBloom

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Thumbnail #6 of Gladiolus cardinalis by RosinaBloom

By RosinaBloom
Thumbnail #7 of Gladiolus cardinalis by RosinaBloom

Profile:

2 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Anisotome On Feb 19, 2014, Anisotome from Tresta, Shetland Islands
United Kingdom wrote:

Simply magnificent, flower in late summer in the Shetland Islands - on a south-facing slope, facing the sea in ordinary, acidic soi. It is winter-growing and does not lend itself readily to vegetative propagation once the new shoots are above ground. Lift and tease apart in autumn, as soon as foliage has died down.

Positive RosinaBloom On Oct 23, 2012, RosinaBloom from Waihi
New Zealand (Zone 1) wrote:

Gladiolus cardinalis - a rare Sth African native - has vibrant tomato red flowers splashed with cream, which blooms in late Spring, is valuable as a cut flower, and is easily grown.
There are over 200 species belonging to this interesting genus of cormous plants with very few in cultivation.
I brought corms from my last garden, and this healthy plant is set to give splendid colour and much enjoyment.

Regional...

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

Richmond, California
Gainesville, Florida



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