Photo by Melody

PlantFiles: Snow Crocus, Golden Crocus
Crocus chrysanthus 'Blue Pearl'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Crocus (KROH-kus) (Info)
Species: chrysanthus (kris-ANTH-us) (Info)
Cultivar: Blue Pearl

2 vendors have this plant for sale.

4 members have or want this plant for trade.

Alpines and Rock Gardens

under 6 in. (15 cm)

3-6 in. (7-15 cm)

USDA Zone 4b: to -31.6 C (-25 F)
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)
USDA Zone 10a: to -1.1 C (30 F)

Sun Exposure:
Full Sun

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

Bloom Color:
Pale Yellow
Light Blue

Bloom Time:
Late Winter/Early Spring
Mid Spring


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)
7.6 to 7.8 (mildly alkaline)

Patent Information:

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

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By gardenerak
Thumbnail #1 of Crocus chrysanthus by gardenerak

By Baa
Thumbnail #2 of Crocus chrysanthus by Baa

By Equilibrium
Thumbnail #3 of Crocus chrysanthus by Equilibrium

By ladyrowan
Thumbnail #4 of Crocus chrysanthus by ladyrowan

By ladyrowan
Thumbnail #5 of Crocus chrysanthus by ladyrowan

By Todd_Boland
Thumbnail #6 of Crocus chrysanthus by Todd_Boland

By ineedacupoftea
Thumbnail #7 of Crocus chrysanthus by ineedacupoftea

There are a total of 23 photos.
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6 positives
2 neutrals
No negatives

Gardeners' Notes:

Positive RosemaryA On Mar 18, 2010, RosemaryA from Toronto, ON (Zone 5b) wrote:

The first flower to bloom in our garden this year. Several flowers per bulb, very showy. Will be planting more of these beauties!

Positive Malus2006 On Apr 20, 2008, Malus2006 from Coon Rapids, MN (Zone 4a) wrote:

I planted some from last year's spring container in the fall and they are blooming this year 2008. Lots of blooms for such small corms - didn't get full sun when in house but still blooms anyway!

Positive PhilsFlowers On Aug 4, 2007, PhilsFlowers from Ocean Park, Surrey, BC (Zone 6b) wrote:

These little flowers are so welcome in mid-winter because they are the first bulbs to bloom and you know that no matter how cold it is, spring is not far away. Taking pictures of it is frustrating because the true color is never seen in the photo, you will have to grow your own to appreciate it. It is the palest and most delicate shade of blue there is.

Positive Marilynbeth On Nov 18, 2006, Marilynbeth from Hebron, KY wrote:

My favorite color of Crocus! Beautiful! Love it, but so do Rabbits!

Wish the Wild Rabbits would stop eating my Crocus (leaves and flowers!).

Positive TBGDN On Mar 10, 2006, TBGDN from (Zone 5a) wrote:

A needed reminder that spring is on the way in Zone 5a/b. As of this posting I have not seen any flowers or buds yet, however the first few sunny, warm days will bring these little blooms out in no time. Easily grown here; very hardy; nice lawn ornamental. Color is almost pure white except the faint blue shades which must be closely observed to be seen.

Positive ineedacupoftea On Mar 4, 2006, ineedacupoftea from Denver, CO wrote:

A nice little early blooming cultivar. I think it needs to be in numbers for the subtle color to really have any effect. If added to a mixture, it assumes the appearance of white. There is a darker blueish spot at the tepel's outside base.

Neutral Equilibrium On Dec 8, 2004, Equilibrium wrote:

One of the first plants to emerge and often times doing so while there is still snow on the ground. Mason bees as well as introduced Italian honey bees are attracted to this plant as little else is in bloom at the time.

To the best of my knowledge, it is hardy down to zone 3a in that it can survive very cold winters down to -40F.

The plant is an introduced species to North America in that its native range is Southern Europe and Asia. Crocus have naturalized in some states so best to keep an eye on it.

It prefers well drained soils and requires high summer temps. It does not tolerate drought or high humidity. It doesn't attract any butterflies or hummingbirds BUT deer seem to really love it.

Neutral Baa On Feb 8, 2003, Baa wrote:

A Chrysanthus hybrid cultivar.

Bears slim, linear to lance shaped, mid-grey green leaves with a clear white stripe down the middle. Bears bowl shaped flowers with a yellow centre, the outside of the petals are a pale greyish blue, inside they are almost white.

Flowers between February to April

Loves a well drained soil in full sun. Dislikes waterlogged soils but grows ok on our clay soil. This one doesn't seem to multiply as well as the other cultivar Crocus we grow.

Won't come true from seed.


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

Chugiak, Alaska
Garberville, California
Clifton, Colorado
Hawkinsville, Georgia
Macy, Indiana
Hebron, Kentucky
Minneapolis, Minnesota
Rochester, New York
Southold, New York
Coshocton, Ohio
Toledo, Ohio
Salt Lake City, Utah

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