Primula, Cowslip Primrose, St. Peter's Keys, Palsywort, Tisty-Tosty, Cowflops, Culver Keys 'Sunset Shades'

Primulaveris

Genus
Primula (PRIM-yew-luh)
Species
veris (VER-iss)
Synonym
Sun Exposure
Light Shade
Partial to Full Shade
Foliage
Herbaceous
Velvet/Fuzzy
Height
6-12 in. (15-30 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
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)
Danger
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Red
Orange
Bright Yellow
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Alpines and Rock Gardens
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size
Other details
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
Non-patented
Propagation Methods
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Anchorage, Alaska

Richmond, California

Oakland, Maryland

Elizabeth City, North Carolina

Geneva, Ohio

Allentown, Pennsylvania

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Gardener's Notes:

2
positives
0
neutral
0
negative
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W
Allentown, PA | January 2015 | positive

A very hardy and reliable early season bloomer. Striking color combination. Easily divided after blooming to increase the size of the c...Read More

G
Harpersfield, OH (Zone 5a) | April 2010 | positive

This plant over-wintered great here in Geneva, Ohio. It is very cold and windy in my area and especially in my yard.
We had ton...Read More

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