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PlantFiles: False Autumn Crocus, Showy Colchicum, Naked Ladies, Meadow Saffron
Colchicum 'The Giant'

 
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Family: Colchicaceae
Genus: Colchicum (KOHL-chik-um) (Info)
Cultivar: The Giant

One vendor has this plant for sale.

8 members have or want this plant for trade.

Category:
Bulbs

Height:
6-12 in. (15-30 cm)

Spacing:
3-6 in. (7-15 cm)

Hardiness:
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
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:
All parts of plant are poisonous if ingested

Bloom Color:
Magenta (Pink-Purple)
Violet/Lavender

Bloom Time:
Late Summer/Early Fall
Mid Fall

Foliage:
Variegated
Silver/Gray
Blue-Green
Smooth-Textured
Good Fall Color

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:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By Evert
Thumbnail #1 of Colchicum  by Evert

By Howard_C
Thumbnail #2 of Colchicum  by Howard_C

By Howard_C
Thumbnail #3 of Colchicum  by Howard_C

By TBGDN
Thumbnail #4 of Colchicum  by TBGDN

By GardenGuyKin
Thumbnail #5 of Colchicum  by GardenGuyKin

By Todd_Boland
Thumbnail #6 of Colchicum  by Todd_Boland

By TBGDN
Thumbnail #7 of Colchicum  by TBGDN

There are a total of 10 photos.
Click here to view them all!

Profile:

2 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorComment
Positive whitesam9 On Feb 20, 2011, whitesam9 from Dayton, OH (Zone 5b) wrote:

Very beautiful lavender/ pink flowers. I ordered some Giant Colchicum bulbs on the internet last year. The bulbs were already starting to sprout when I received them in mid-September. I popped them in the ground, and I had flowers blooming in just a few days. They bloomed for about almost a month in my garden (until mid-October).

Positive TBGDN On Mar 12, 2006, TBGDN from Macy, IN wrote:

These are large flowering crocuses which as I write are putting up new growth. They are a nice rich green color of foliage, and will continue to grow to a height of about 8-10". In mid-summer the foliage dies back to the ground, and in late August through mid-September flower buds appear on narrow stems. They are quite attractive in the late summer garden, and the color is welcome at that time when other blooms have diminished. These will even bloom on a bare bulb if left on a sunny window sill.

Neutral Howard_C On Sep 28, 2004, Howard_C from St John's, NL wrote:

One of the hybrids produced in Holland in the early 1900's, this is my least favorite; its colour is an insipid pink and it's big and blowsy so that it falls over in our rather wild climate. However, it increases well, and some people like things big!

The picture I've added illustrates the distinguishing features of this variety: pale pink tessellated petals gradually fading into the white centres, over 3 inches long, and brown not yellow anthers. (It has been so dull lately that I had to pick a flower and bring it indoors to get it to open for the picture!)

Regional...

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

Macy, Indiana
Mashpee, Massachusetts
Ludington, Michigan
Jefferson, New York
Oklahoma City, Oklahoma
Salem, Oregon
Conway, South Carolina



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