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PlantFiles: Primula, Primrose
Primula cortusoides

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Family: Primulaceae
Genus: Primula (PRIM-yew-luh) (Info)
Species: cortusoides (kor-too-SOY-deez) (Info)

5 members have or want this plant for trade.

Category:
Alpines and Rock Gardens
Perennials

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

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

Hardiness:
USDA Zone 1: below -45.6 C (-55 F)
USDA Zone 2a: to -45.5 C (-50 F)
USDA Zone 2b: to -42.7 C (-45 F)
USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
USDA Zone 4a: to -34.4 C (-30 F)
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)

Sun Exposure:
Sun to Partial Shade
Light Shade
Partial to Full Shade

Danger:
Unknown - Tell us

Bloom Color:
Pink

Bloom Time:
Late Spring/Early Summer
Mid Summer

Foliage:
Herbaceous

Other details:
Unknown - Tell us

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; sow indoors before last frost
From seed; direct sow after last frost
From seed; germinate in a damp paper towel

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By cinemike
Thumbnail #1 of Primula cortusoides by cinemike

By Todd_Boland
Thumbnail #2 of Primula cortusoides by Todd_Boland

By gardeningfun
Thumbnail #3 of Primula cortusoides by gardeningfun

Profile:

3 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive gardeningfun On May 25, 2011, gardeningfun from Harpersfield, OH (Zone 5a) wrote:

I love this primrose. It is so delicate and beautiful. It blooms early in spring, which is wonderful when it looks so barren up north here. We are in zone 5b on Lake Erie at the top of Ohio and it does great in my yard. We have heavy snow and freezing temps and it comes back. I bought it at Bluestone Perennials and they are fantastic. You can order them online there. It's in full sun and clay soil here, also.

Positive Todd_Boland On Dec 5, 2004, Todd_Boland from St. John's, NL (Zone 5b) wrote:

This is the type species for the Cortusoides section of the genus Primula. This section is characterized by have long-petioled leaves that are fuzzy, somewhat triangular to round-shaped and with crinkly, serrated margins. The foliage is generally quite attractive even when the plant is not in bloom. The flowers of this section are produced on upright fuzzy stems and produce a few white to pink more-or-less flat flowers. Many of this group are woodlanders or alpine in nature and require cool, moist soil to thrive. P. cortusoides itself hails from N. Japan, N. Mongolia and S. Russia, where it grows in open woods, rocky slopes and shrubby screes at 350-260m elevation.

Neutral taramark On Apr 27, 2004, taramark from (Zone 4a) wrote:

A beautiful plant, and a lovely setting.

What is the plant behind the Primula?

Thank you, Taramark

Positive cinemike On Apr 26, 2004, cinemike from CREZIERES
France (Zone 8a) wrote:

This is a charming little primula with crinkly foliage which looks fine in a rockery or low-growing border.
Its natural habitat is east-central Russia, so it should be as hardy as indicated...

Regional...

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

Littleton, Colorado
Royal Oak, Michigan
Geneva, Ohio



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