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Oenothera 'Cold Crick'

Image of Oenothera 'Cold Crick'

Mark A. Miller

Family

Onagraceae

Botanical Name

Oenothera 'Cold Crick'

Plant Common Name

Cold Crick Evening Primrose, Evening Primrose

General Description

This is a perennial, compact, very free-flowering cultivar of Primrose. The bright-yellow cup-shaped flowers appear in abundance in summer and the plant makes a dense clump of upright branching small-leaved stems. Unlike many evening primroses it does not spread aggressively, nor does it self-seed, being sterile. Once established, it is drought tolerant.

This cultivar grows and flowers best in full sun on average well-drained soil. After flowering, the plants may be cut back to keep them tidy. The plant is easily divided in spring.

Characteristics

  • AHS Heat Zone

    8 - 1

  • USDA Hardiness Zone

    5 - 8

  • Sunset Zone

    1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Perennial

  • Sun Exposure

    Full Sun, Partial Sun

  • Height

    0"-12" / 0.0cm - 30.5cm

  • Width

    0"-18" / 0.0cm - 45.7cm

  • Bloom Time

    Early Summer, Summer, Late Summer

  • Native To

    Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States

Growing Conditions

  • Soil pH

    Acidic, Neutral, Alkaline

  • Soil Drainage

    Well Drained

  • Soil type

    Loam, Sand

  • Growth Rate

    Medium

  • Water Requirements

    Average Water

  • Habit

    Clump-Forming

  • Seasonal Interest

    Summer

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Yellow

  • Fruit Color

    Tan

  • Foliage Color (Spring)

    Green

  • Foliage Color (Summer)

    Green

  • Foliage Color (Fall)

    Green

  • Fragrant Flowers

    No

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    Yes

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    No

  • Foliage Texture

    Fine

  • Foliage Sheen

    Matte

  • Evergreen

    No

  • Showy Bark

    No

Special Characteristics

  • Usage

    Edging, Feature Plant, Groundcover, Mixed Border

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    Yes