Astrophytum asterias

Astrophytum asterias is a gorgeous, spineless cactus that looks super unique! Here’s the care guide:-

☀️ Light:

• Bright indirect light.

• Outdoors: morning sun is perfect, but protect it from harsh afternoon rays (can sunburn easily!).

• Indoors: south or east-facing window is best.

💧 Watering:

• Growing season (spring-summer): Water deeply only when soil is 100% dry.

• Dormant season (fall-winter): Water very little or none at all.

• Super sensitive to overwatering → root rot is the biggest enemy!

🌡️ Temperature:

• Loves warm temps — around 20–32°C (68–90°F).

• Can handle brief drops to 5°C (41°F) if bone dry.

• Never expose to frost!

🌱 Soil:

• Needs extremely well-draining soil — even more than regular cacti.

• Ideal mix: cactus soil + extra pumice or coarse sand.

• Some growers use pure mineral mixes (almost no organic matter) for best results.

🍽️ Fertilizer:

• Optional, but if you want: Use a cactus fertilizer (low-nitrogen) once a month during spring and early summer.

• No feeding during cold months.

🪴 Potting:

• Use a shallow, wide pot with excellent drainage.

• Repot every 2–3 years, preferably in early spring before active growth starts.

🌸 Flowering:

• Produces beautiful yellow flowers with orange/red centers in late spring to summer.

• Needs plenty of light, warmth, and a dry winter rest to bloom.