Biennial Gaura - Oenothera gaura (Care, Characteristics, Flower, Images)

Biennial Gaura

Some may not appreciate the weedy appearance of biennial Gaura, but this flower has its place in building prairies. This biennial blooms late in the season, providing nectar for pollinators. It self-seeds easily due to its slender, bending stems that bob in the wind.

Scientific classification

Species

Biennial Gaura (Oenothera gaura)

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61 cm to 1.8 m

Plant Height

2.5 cm

Flower Size

White, Pink

Flower Color

Semi-evergreen

Leaf type

20 - 35 ℃

Ideal Temperature

Summer, Fall

Growth Season

Moderate

Growth Rate

Images of Biennial Gaura

Distribution of Biennial Gaura

Distribution Map

Biennial Gaura is native to North America but has found its way to parts of Europe where it is now introduced. It thrives in its home terrain, encompassing a range of habitats. Beyond its indigenous origins, biennial Gaura has been embraced in horticulture and can be found cultivated in gardens and landscapes, signifying an adaptive capability that transcends its original locale.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Prairies, dry, rocky places and deserts

Hemisphere Trend Curve

Northern

Sorthern

Quickly Identify Biennial Gaura

Upright stem can grow up to 3 feet (91 cm) tall.

Distinctive diamond-shaped fruit capsule with prominent ribs.

Leaves have acute tips, narrow bases, and short hairs on undersides.

Flowers bloom in the evening, with white petals fading to pink.

Stem covered in white hairs, may have a red tinge.

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Care Guide for Biennial Gaura

Every week

Water

Full sun

Sunlight

20 - 35 ℃

Ideal Temperature

Water: Biennial Gaura flourishes in well-drained soil, adapting to occasional dry conditions. It prefers moderate moisture, benefiting from weekly watering to maintain hydration. As an herbaceous plant, biennial Gaura is typically grown outdoors to utilize natural rainfall during its active growing season.

Fertilize: For biennial Gaura, use a high phosphorus fertilizer bi-weekly during the growing season, reducing as dormancy nears. Apply at 1/4 strength to prevent burn. Water soil beforehand to safeguard roots. This promotes vigorous growth and improved bloom quality, enhancing biennial Gaura's overall health and display.

Pruning: Biennial Gaura showcases beautiful flowers and delicate leaves. Prune in early to late spring to enhance blooming and air circulation. Maintain about one-third of the plant's height to avoid legginess and promote a bushier look, ensuring overall plant health and aesthetics.

Propagation: Biennial Gaura is a herbaceous plant featuring pink and white flower spikes. Propagate through seeds in well-drained soil, handling seedlings gently to protect roots. Maintain consistent moisture without overwatering, and provide ample sunlight for healthy growth, mimicking its natural habitat conditions.

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Images of Biennial Gaura

Distribution of Biennial Gaura

Quickly Identify Biennial Gaura

Care Guide for Biennial Gaura

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