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EUPHORBIA pulcherrima 'Infinity Red'

Image of Euphorbia pulcherrima 'Infinity Red' (INFINITY SERIES)

Mark A. Miller

Family

Euphorbiaceae

Botanical Name

EUPHORBIA pulcherrima 'Infinity Red'( INFINITY SERIES)

Plant Common Name

General Description

Infinity Red poinsettia bears clusters of fiery red flower bracts on compact, sturdy, upright plants. It was discovered in 2000 by Marga Dümmen of Rheinberg, Germany, among seedlings of a cross between two unnamed selections. Like all modern Euphorbia pulcherrima cultivars, it develops from a newly rooted cutting into a bushy, bloom-laden, market-ready plant in a matter of months. Height and width dimensions cited below are for first-year greenhouse-grown plants. Older plants attain much greater size. Wild poinsettias in the uplands of western Mexico are leggy deciduous shrubs that typically bloom on naked stems.

All poinsettias have upright woody stems with large, thin leaves and milky sap. As nights lengthen, showy whorls of large, colorful bracts develop at the stem tips around clusters of inconspicuous yellow flowers. Infinity Red bears dark-green, oval, weakly lobed leaves and bright red bracts on well-branched 14- to 20-inch (35- to 50-cm) plants. The "blossoms" develop in late fall and remain attractive for several weeks.

Poinsettias require full to partial sun and average to fertile well-drained soil. Purchased poinsettias can be moved to a sunny window or a frost-free garden niche after they bloom.

These tender ornamentals can be reluctant to rebloom because flowering is triggered by long nights. The best method is to site plants in natural daylight, where they will experience shortening days. Professional growers shade their plants at night starting around the autumnal equinox to ensure full bract coloration 6 to 8 weeks later.

Poinsettia is sometimes the subject of health concerns. See http://www.ces.ncsu.edu/depts/hort/consumer/poison/Euphopu.htm

Characteristics

  • AHS Heat Zone

    12 - 10

  • USDA Hardiness Zone

    9 - 15

  • Sunset Zone

    H1, H2, 13, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Shrub

  • Sun Exposure

    Full Sun, Partial Sun

  • Height

    12"-20" / 30.5cm - 50.8cm

  • Width

    14"-24" / 35.6cm - 61.0cm

  • Bloom Time

    Late Fall, Early Winter, Winter

  • Native To

    Mexico

Growing Conditions

  • Soil pH

    Acidic, Neutral

  • Soil Drainage

    Well Drained

  • Soil type

    Loam, Sand

  • Tolerances

    Drought

  • Growth Rate

    Medium

  • Water Requirements

    Drought Tolerant, Average Water

  • Habit

    Upright/Erect

  • Seasonal Interest

    Fall, Winter

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Red, Pink

  • Foliage Color (Spring)

    Green, Dark Green

  • Foliage Color (Summer)

    Dark Green

  • Foliage Color (Fall)

    Dark Green

  • Foliage Color (Winter)

    Green, Dark Green

  • Bark Color

    Green, Tan

  • 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

    Coarse

  • Foliage Sheen

    Matte

  • Evergreen

    Semi-Evergreen

  • Showy Bark

    No

Special Characteristics

  • Bark Texture

    Smooth

  • Usage

    Container, Feature Plant, Houseplant, Mixed Border, Tropical

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    No