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HouseplantsConservatory Greenhouse

Aglaonema costatum f. immaculatum

unspotted Chinese evergreen

A slow-growing, evergreen perennial to about 75cm, with dark green, lance-shaped leaves up to 20cm long, with a white midrib

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
5–10 years
Ultimate spread
0.5–1 metres
Growing conditions
Loam
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Green
Autumn Green
Winter Green
Position
  • Partial shade
Aspect

East–facing or North–facing or West–facing

Exposure
Sheltered
Hardiness
H1B
Botanical details
Family
Araceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Clump forming
Potentially harmful
Humans/Pets: Harmful if eaten, skin/eye irritant. Wear gloves and other protective equipment when handling For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus

Aglaonema are rhizomatous evergreen perennials with short stems bearing long-stalked, often attractively variegated leaves and rather insignificant, greenish or cream flowering spathes

Name status

Correct

How to grow

Cultivation

Grow in a temperate or warm greenhouse or conservatory, or as a houseplant, in well-drained potting compost, in filtered light, with high humidity. Water moderately in the growing season, with a monthly balanced, liquid fertilizer, and in winter allow some drying out between waterings. Pot on every two to three years. See houseplant cultivation for further information

Propagation

Propagate by division, separating basal shoots with three or four leaves, with roots attached, in spring

Suggested planting locations and garden types
  • Houseplants
  • Sub-tropical
  • Conservatory and greenhouse
Pruning

No pruning required

Pests

May be susceptible to mealybugs

Diseases

Generally disease-free

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