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Linum Species, Grooved Yellow Flax, Yellow Prairie Flax

Linumsulcatum

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Genus

Linum (LIN-um)

Info

Species

sulcatum (sul-KAY-tum)

Info

Synonym

Cathartolinum sulcatum

Linum bootii

Linum simplex

Sun Exposure

Full Sun

Sun to Partial Shade

Foliage

Herbaceous

Height

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Spacing

12-15 in. (30-38 cm)

15-18 in. (38-45 cm)

Hardiness

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)

Danger

N/A

Bloom Color

Pale Yellow

Bright Yellow

Bloom Time

Mid Summer

Other Details

Category

Perennials

Water Requirements

Average Water Needs; Water regularly; do not overwater

Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics

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

Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information

Unknown - Tell us

Propagation Methods

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

From seed; stratify if sowing indoors

Direct sow as soon as the ground can be worked

From seed; sow indoors before last frost

From seed; direct sow after last frost

Seed Collecting

Collect seedhead/pod when flowers fade; allow to dry

Properly cleaned, seed can be successfully stored

Regional

View this plant in a garden

3 members have or want this plant for trade

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Gardener's Notes:

0

positive

0

neutral

0

negative

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