Angel's-wings
Opuntia microdasys
Opuntia microdasys, commonly known as Angel's-wings, is a striking cactus native to Mexico. Its unique, flat pads and vibrant blooms make it a popular choice for succulent enthusiasts and indoor gardeners alike.
Everything it needs
9 essentials at a glance
Watering
Opuntia microdasys prefers to dry out completely between waterings.
During the growing season (spring and summer), water every 2-3 weeks, ensuring the soil is thoroughly soaked. In fall and winter, reduce watering to once a month or less. Signs of over-watering include yellowing pads and mushy texture, while under-watering may cause shriveling and a dull appearance.
Light
This cactus thrives in full sun, requiring at least 6-8 hours of direct sunlight daily.
Ideal placement is near a south or west-facing window. While it can tolerate partial shade, insufficient light may lead to leggy growth and reduced flowering.
Soil
Opuntia microdasys prefers well-draining soil with a pH range of 6.0 to 7.5.
A cactus mix or a blend of potting soil, sand, and perlite is recommended to ensure proper drainage. Avoid heavy soils that retain moisture.
Humidity
This plant prefers low humidity levels, ideally around 30-50%.
To decrease humidity, ensure good air circulation and avoid misting. Signs of humidity stress include browning or shriveling pads.
Temperature
The ideal temperature range for Opuntia microdasys is 70-100°F (21-38°C) during the day and not below 50°F (10°C) at night.
It is hardy in zones 9-11 and can tolerate brief periods of cold down to 20°F (-6°C) if dry.
Fertilizing
Use a balanced cactus fertilizer with an NPK ratio of 10-10-10 or 20-20-20 during the growing season.
Fertilize every 4-6 weeks from spring to early fall. Signs of nutrient deficiency include stunted growth and pale pads.
Pruning
Pruning is generally not necessary, but you can remove any dead or damaged pads with clean, sharp scissors.
This should be done in spring. Always wear gloves to avoid the tiny glochids that can irritate the skin.
Repotting
Repot Opuntia microdasys every 2-3 years or when it outgrows its pot.
Choose a pot that is 1-2 inches larger in diameter. Signs it needs repotting include roots growing out of the drainage holes or stunted growth. To repot, carefully remove the plant, shake off excess soil, and place it in fresh cactus mix.
Propagation
Propagation can be done through stem cuttings or pads.
Cut a healthy pad, let it dry for 1-2 days to form a callus, then plant it in well-draining soil. Water lightly until roots develop, which usually takes 2-4 weeks. The best time for propagation is in spring.
When it's unhappy
Yellowing pads
Why it happens
Over-watering or poor drainage.
How to fix it
Reduce watering frequency and ensure the pot has adequate drainage.
Shriveling pads
Why it happens
Under-watering or insufficient light.
How to fix it
Increase watering frequency and ensure the plant receives enough sunlight.
Browning edges
Why it happens
Low humidity or sunburn.
How to fix it
Move the plant to a location with filtered light and maintain lower humidity levels.
Leggy growth
Why it happens
Insufficient light.
How to fix it
Provide more direct sunlight, ideally 6-8 hours daily.
Root rot
Why it happens
Excess moisture in the soil.
How to fix it
Allow the soil to dry completely and repot in fresh, dry cactus mix if necessary.
Care through the year
Spring
In spring, increase watering frequency as the plant comes out of dormancy. Fertilize every 4-6 weeks with a balanced cactus fertilizer.
Summer
During summer, ensure the plant receives full sun and water every 2-3 weeks. Monitor for pests and increase airflow around the plant.
Fall
In fall, gradually reduce watering as the plant prepares for dormancy. Continue fertilizing until late September.
Winter
In winter, water sparingly, about once a month, and keep the plant in a warm location away from cold drafts.
Toxicity & Safety
Opuntia microdasys is non-toxic to pets and children. However, the glochids (tiny spines) can cause skin irritation and should be handled with care.
Good to know
How often should I water my Opuntia microdasys?
Water your Opuntia microdasys every 2-3 weeks during the growing season, allowing the soil to dry out completely between waterings.
Why are my Angel's-wings pads turning yellow?
Yellowing pads are often a sign of over-watering or poor drainage. Check the soil moisture and reduce watering if necessary.
What light conditions are best for Opuntia microdasys?
This cactus thrives in full sun, needing at least 6-8 hours of direct sunlight daily for optimal growth and flowering.
Can I propagate Opuntia microdasys from cuttings?
Yes, you can propagate Opuntia microdasys from healthy pads. Allow the cut end to dry and callus before planting in well-draining soil.
What type of soil is best for Angel's-wings?
A well-draining cactus mix or a blend of potting soil, sand, and perlite is ideal for Opuntia microdasys to prevent root rot.
How do I know when to repot my Opuntia microdasys?
Repot when you see roots growing out of the drainage holes or if the plant shows stunted growth due to being root-bound.
Is Opuntia microdasys safe for pets?
Yes, Opuntia microdasys is non-toxic to pets and children, but be cautious of the tiny glochids that can irritate the skin.
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