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OENOTHERA (LEMON DROP)

Image of Oenothera 'Innoeno131' (LEMON DROP) PP16393

Mark A. Miller

Family

Onagraceae

Botanical Name

OENOTHERA 'Innoeno131'(LEMON DROP) PP16393

Plant Common Name

Evening Primrose, Lemon Drop Evening Primrose

General Description

The compact evening primrose, Lemon Drop, has bright golden yellow flowers that bloom continuously from spring to fall. It's exceptional heat and drought tolerance make it well suited to areas where other hardy perennials flag. This vigorous hybrid is a cross between Oenothera 'African Sun' and O.'Narrow Gray Leaved' bred by Silvia Hofmann of Mainz, Germany.

Lemon Drop forms semi-woody, spreading mounds lined with linear, deep green to gray-green leaves. From late spring to fall it produces lots of bright yellow, four-petaled flowers. The tubular flowers last for up to two days and attract moths and butterflies.

Drought tolerant Oenothera such as this thrive in garden spots with full sun and fast-draining soil with moderate fertility. Container grown specimens demand more water than garden grown. Unlike most evening primroses, this cultivar is said to grow well in subtropical areas. It has no notable pest and disease problems, though root and stem rot can occur if soil drainage is insufficient. Sunny rock gardens or border edges are a shoe-in for this pretty Oenothera. It is also well-suited to container culture.

Characteristics

  • AHS Heat Zone

    11 - 1

  • USDA Hardiness Zone

    5 - 11

  • Sunset Zone

    A3, 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

  • Height

    8"-12" / 20.3cm - 30.5cm

  • Width

    8"-16" / 20.3cm - 40.6cm

  • Bloom Time

    Late Spring, Early Summer, Summer, Late Summer, Early Fall, Fall

  • Native To

    Hybrid Origin

Growing Conditions

  • Soil pH

    Neutral

  • Soil Drainage

    Well Drained

  • Soil type

    Loam, Sand

  • Growth Rate

    Medium

  • Water Requirements

    Drought Tolerant, Average Water

  • Habit

    Clump-Forming

  • Seasonal Interest

    Spring, Summer, Fall

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Lemon Yellow

  • Foliage Color (Spring)

    Green, Gray Green

  • Foliage Color (Summer)

    Green, Gray Green

  • Foliage Color (Fall)

    Green, Gray 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

    Bedding Plant, Container, Mixed Border, Rock Garden / Wall, Wildflower

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Attracts

    Butterflies

  • Self-Sowing

    No