Alstonia spectabilis (Hard Milkwood)

Alstonia spectabilis (Hard Milkwood) green leaves in a close up of the plant.
Alstonia spectabilis (Hard Milkwood) with many oval green leaves radiating from a center point.

Botanical names: Alstonia spectabilis, Alstonia linearis, Alstonia longissima

Common name: Hard Milkwood

Family: Apocynaceae

Origin: Australia

USDA Plant Hardiness Map

USDA Zone: 9-10

Large tree taller than 20 ftSmall tree 10-20 ftPlant form: Large or medium tree
Plant mature sizeMature height: 20 ft or more
Full sunSemi-shadeSun exposure: Full sun or bright light indoor; semi-shade
Cold toleranceCold tolerance: Frost sensitive. Protect from freezing.
Watering: Regular. Let topsoil dry slightlyWatering: Moderate. Water when top soil feels dryWatering: Regular; moderate
White, off-white flowersFlower color: White and off-white
Suitable forSuitable for: Outdoors in the suitable USDA zone; large gardens
Fragrant plantFragrance: Fragrant; perfume plant
Ethnomedical plant. Plants marked as ethnomedical and/or described as medicinal, are not offered as medicine but rather as ornamentals or plant collectibles. Ethnomedical statements / products have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. We urge all customers to consult a physician before using any supplements, herbals or medicines advertised here or elsewhere.Ethnomedical: Ethnomedical plant, traditionally used in folk or indigenous medicine

Similar plants: Alstonia spectabilis (Hard Milkwood)


Alstonia spectabilis (Hard Milkwood) with small cream white flower clusters in a close up view.
Alstonia spectabilis (Hard Milkwood) clusters of small star shaped cream white flowers on green stalks.
Alstonia spectabilis (Hard Milkwood) green leaves and small white flower clusters on a tree
Alstonia spectabilis (Hard Milkwood) with green leaves and dense clusters of small white flower buds


Link to this plant:
https://toptropicals.com/catalog/uid/alstonia_spectabilis.htm
About Tropical Plant Encyclopedia · Pictogram Guide·