Oenothera longiflora — a medium houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Oenothera longiflora

Oenothera Longiflora

Updated · 33 observations
ON THIS PLANT
A note from PlantMom

Cutleaf evening primrose is fairly disease-resistant and usually not prone to illnesses. Still, it can be affected by pests and diseases present in its surroundings; these problems are typically mild. For care, the plant needs moderate maintenance. It should be pruned regularly to keep a tidy appearance and support healthy growth. Fertilizing can also encourage more flowering. Cutleaf evening primrose is suitable for anyone with outdoor space, such as a garden or patio, and does not require extensive experience in plant care. It may demand more attention when grown indoors.

— PlantMom
CARE GUIDE

How to keep Oenothera Longiflora.

Light

The cutleaf evening primrose favors full, direct sunlight, which promotes its vigor. It can also tolerate sites where sun exposure is broken by periods of shade. Too much or too little sunlight can affect its health and flowering. These light preferences mirror the ecosystems where the cutleaf evening primrose naturally occurs.

Temperature

Cutleaf evening primrose is native to areas with temperate climates. It typically favors temperatures between 68 and 95 °F (20 to 35 °C). During severe seasonal shifts, it is advised to gradually acclimate the plant to the forthcoming temperatures.

Fertilizer

Cutleaf evening primrose benefits from regular, light fertilizer applications to encourage healthy leaf growth. You should fertilize Cutleaf evening primrose about once a month during the summer months. Nitrogen is essential for foliage, and adding nitrogen-rich sources helps Cutleaf evening primrose thrive.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Annual, Perennial, Biennial
Genus
Oenothera
Family
Onagraceae
Hardiness Zone
6-10
Mature Height
15 cm to 61 cm
Mature Spread
15 cm
Leaf Color
Green, Blue
Leaf Type
Deciduous
Flower Color
Yellow
Flower Size
0.76 cm to 1.78 cm
Bloom Time
Late spring, Early summer, Mid summer
Planting Time
Spring, Summer
Harvest Time
Early summer, Mid summer
Native Area
Mexico, Costa Rica, Panama
ALSO KNOWN AS

Other names.

en Longflower evening-primrose en Long-flower evening primrose
PLATES
Oenothera longiflora leaf
PLATE 01 · leaf
Oenothera longiflora leaf
PLATE 02 · leaf
Oenothera longiflora flower
PLATE 03 · flower
Oenothera longiflora flower
PLATE 04 · flower
Oenothera longiflora fruit
PLATE 05 · fruit
Oenothera longiflora habit
PLATE 06 · habit
ALSO IN THE LIBRARY

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