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Alpine Strawberry, Sow-teat Strawberry, Wild Strawberry, Woodland Strawberry 'Improved Rugen'

Fragaria vesca

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Fragaria (frag-AY-ree-uh) (Info)
Species: vesca (VES-kuh) (Info)
Cultivar: Improved Rugen
Additional cultivar information:(aka Reugen, Rugen Improved)
» View all varieties of Strawberries


Alpines and Rock Gardens

Edible Fruits and Nuts



Water Requirements:

Average Water Needs; Water regularly; do not overwater

Sun Exposure:

Full Sun

Sun to Partial Shade

Light Shade



Foliage Color:

Unknown - Tell us


under 6 in. (15 cm)


9-12 in. (22-30 cm)


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)

Where to Grow:

Unknown - Tell us


Unknown - Tell us

Bloom Color:

White/Near White

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Bloom Size:

Unknown - Tell us

Bloom Time:

Mid Spring

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Blooms repeatedly

Other details:

Unknown - Tell us

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 the rootball

From seed; direct sow outdoors in fall

From seed; stratify if sowing indoors

From seed; sow indoors before last frost

Seed Collecting:

Allow unblemished fruit to ripen; clean and dry seeds

Properly cleaned, seed can be successfully stored


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

Long Beach, California

Olathe, Kansas

Hudson, New Hampshire

Grove City, Ohio

Gardeners' Notes:


On Jun 29, 2004, CaptMicha from Brookeville, MD (Zone 7a) wrote:

Rugen Improved is a great alpine strawberry. It's very hardy and survived my zone 7 winter in a pot. When the weather warms up, it comes back to life from a seeminly dead plant and turns green again and sets little white flowers. The flowers turn into very sweet tangy fruits in early summer and will produce fruit until weather starts to become cold.

I'm not sure of spreading or reseeding habits because I have not planted this in the ground. I keep it in a pot year round in full sun and I water when the soil is dry on top.


On May 24, 2003, lupinelover from Grove City, OH (Zone 6a) wrote:

"Surely God could have created a fruit better than the strawberry, but equally surely, He didn't."

This variety has the best flavor of all strawberries that I have tasted. They are very small, though, and must be grown under good conditions for the best flavor. The plant does best if it receives light afternoon shade, but that does reduce flowering and fruiting in the summer. Too little water makes the fruit hard, while too much water makes the flavor insipid.

This strawberry is runnerless, but the crowns increase through the years, and can be divided periodically to increase the supply.

Flowering and fruiting begins in April, and continues until frost in the fall. Plants should be mulched in the winter to prevent the crowns from being he... read more


On Apr 5, 2003, ohmysweetpjs from Brookeville, MD wrote:

Grows quickly. I understand it has tasty fruit though I can't seem to get the fruit to grow. It has little white flowers.