Primula Species, Drumstick Primrose, Himalayan Primrose

Primuladenticulata

Genus
Primula (PRIM-yew-luh)
Species
denticulata (den-tik-yoo-LAH-tuh)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Deciduous
Height
12-18 in. (30-45 cm)
Spacing
15-18 in. (38-45 cm)
Hardiness
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)
Bloom Color
Medium Purple
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Alpines and Rock Gardens
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
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; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

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

Parker, Colorado

Shelton, Connecticut

Minneapolis, Minnesota

Freehold, New Jersey

MOUNT HOOD PARKDALE, Oregon

Molalla, Oregon

Barto, Pennsylvania

Wilkes Barre, Pennsylvania

Kalama, Washington

Puyallup, Washington

Sequim, Washington

Spokane, Washington

Madison, Wisconsin

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Gardener's Notes:

1
positive
1
neutral
1
negative
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M
Coon Rapids, MN (Zone 4a) | April 2008 | negative

Like most Primroses, they may look good the first summer for me and then die during the winter season.

B
Spokane, WA | February 2007 | positive

This plant is adorable and unusual. I love them! Have huge leaves, tall stems with orbs of flowers perched on top. I purchased two of ...Read More

B
B
Baa
| February 2002 | neutral

A neat perennial from Afganistan to China.

Has rosettes of oblong or spoon shaped, mid green, toothed, leaves with a white...Read More

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