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HEMEROCALLIS 'Yellow Explosion'

Image of Hemerocallis 'Yellow Explosion'

Mark A. Miller

Family

Liliaceae

Botanical Name

HEMEROCALLIS 'Yellow Explosion'

Plant Common Name

Daylily, Yellow Explosion Daylily

Special Notice

This entry has yet to be reviewed and approved by L2G editors.

General Description

Bright and warm, the lemon-yellow flowers of the Yellow Explosion daylily will certainly bring a cheerful spirit to your garden. This mid- to late season cultivar blooms in late mid-spring to midsummer, depending on climate. The daylily is a popular perennial revered for its reliability, ease of growth and floral beauty. The hybrid 'Yellow Explosion' was bred by William Oakes and introduced in 1991.

This daylily produces 5.5-inch-wide (14 cm) flowers atop a branching naked stem called a scape. The scapes rise from clumps of robust, strap-like, green leaves that die back in winter. Each petal-like tepal has wavy edges and is a lemon yellow with hints of lighter yellow in midribs and at edges. The flower's throat is pale green. Each blossom in the bud cluster opens in the morning but shrivels up before reaching 16-hours old.

Daylilies are clump-forming and spread slowly via rhizomes. The blooms are commonly held in branched clusters on long leafless stems that stand above the foliage. All daylilies are easy to grow if provided full to partial sun and average soil with good drainage. Deciduous daylilies are the hardiest and survive in the coldest reaches of their range; however they may struggle in areas with mild winters. Evergreen types grow well in all but the most tropical regions but require protection where winters are harsh and cold. Their clumps spread over time and may need to be divided every three to four years. After plants bloom, it is wise to shear back their foliage to allow for a fresh flush of growth.

Enjoy this tried-and-true herbaceous ornamental in mixed beds and borders, containers and large mass plantings.

Characteristics

  • AHS Heat Zone

    10 - 2

  • USDA Hardiness Zone

    3 - 9

  • Sunset Zone

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

  • Plant Type

    Perennial

  • Sun Exposure

    Full Sun, Partial Sun

  • Height

    18"-27" / 45.7cm - 68.6cm

  • Width

    18"-25" / 45.7cm - 63.5cm

  • Bloom Time

    Late Spring, Early Summer, Summer

  • Native To

    Hybrid Origin

Growing Conditions

  • Soil pH

    Acidic, Neutral, Alkaline

  • Soil Drainage

    Average

  • Soil type

    Clay, Loam, Sand

  • Tolerances

    Pollution, Drought, Salt

  • Growth Rate

    Fast

  • Water Requirements

    Average Water

  • Habit

    Clump-Forming

  • Seasonal Interest

    Spring, Summer

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Lemon Yellow

  • Fruit Color

    Green, Brown

  • Foliage Color (Spring)

    Green, Light Green

  • Foliage Color (Summer)

    Green

  • Foliage Color (Fall)

    Green, Yellow Green

  • Fragrant Flowers

    No

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    No

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    No

  • Foliage Texture

    Medium

  • Foliage Sheen

    Matte

  • Evergreen

    No

  • Showy Bark

    No

Special Characteristics

  • Usage

    Container, Foundation, Mixed Border

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Attracts

    Hummingbirds, Butterflies

  • Self-Sowing

    No