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Plant data provided by Trefle.io and Perenual

HomePlant EncyclopediaSpiny Star Cactus

Spiny Star Cactus

Acanthocalycium glaucum

Cactaceae
Perennial
Ornamental
Evergreen
Attracts pollinators

About this plant

Acanthocalycium glaucum, known as Spiny Star Cactus, is a perennial ornamental cactus belonging to the Cactaceae family. It thrives in full sun and requires low water, making it ideal for arid gardens. This evergreen cactus typically grows to 0.1–0.2 meters in height and produces pink, red, and white flowers from May to September. It prefers sandy or loamy soils and is hardy in USDA zones 9–11. It attracts pollinators and is non-toxic, but not fragrant.

Light

Full sun

Watering

Low water

Soil

Sandy, Loamy

Height

0.1–0.2 m

Spread

0.1–0.2 m

Zones

9–11

Flower colors

Calendar
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Indoor Sowing
Transplanting
Bloom Period
J
F
M
A
M
J
J
A
S
O
N
D
Indoor Sowing
Transplanting
Bloom Period
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Cultivation and Care

Plant in a well-draining cactus mix in a pot or directly in the ground in suitable climates. Water thoroughly when the soil is dry, and allow it to dry out completely between waterings. Protect from frost in colder zones.

Features

Distinctive for its ribbed stem and prominent spines, this cactus adds a unique architectural element to any succulent collection.

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Data source: Trefle.io

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Related plant guides

  • Butterfly-friendly plants
  • Full sun plants
  • Evergreen shrubs
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