Photo by Melody

PlantFiles: Summer Hyacinth, Green Cape Hyacinth
Galtonia viridiflora

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Family: Hyacinthaceae
Genus: Galtonia (gal-TOH-nee-uh) (Info)
Species: viridiflora (vir-id-uh-FLOR-uh) (Info)

Synonym:Ornithogalum viridiflorum

Category:
Bulbs

Height:
36-48 in. (90-120 cm)

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

Hardiness:
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
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)

Sun Exposure:
Full Sun

Danger:
Parts of plant are poisonous if ingested

Bloom Color:
Pale Green

Bloom Time:
Late Summer/Early Fall

Foliage:
Deciduous
Aromatic
Smooth-Textured

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

Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Non-patented

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

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

Click thumbnail
to view:

By jmorth
Thumbnail #1 of Galtonia viridiflora by jmorth

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive jmorth On Dec 11, 2009, jmorth from Divernon, IL (Zone 5b) wrote:

These South African plants are hardy to Zone 5. Long lasting pale green flower. Mine top out at less than 2' tall.

Regional...

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

Garberville, California
Divernon, Illinois



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