Abyssinian Kale
Crambe Abyssinica
Crambe Abyssinica, commonly known as Abyssinian Kale, is a unique leafy green native to East Africa. Valued for its nutritional benefits and ornamental foliage, it thrives in sunny gardens and is easy to grow with proper care.
Everything it needs
9 essentials at a glance
Watering
Crambe Abyssinica prefers consistently moist soil but should not be waterlogged.
Water deeply once a week, adjusting frequency based on rainfall and temperature. In hot weather, increase watering to twice a week. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause wilting and leaf drop.
Light
This plant thrives in full sun, requiring at least 6-8 hours of direct sunlight daily.
Ideal placement is in a south-facing garden bed or container. It can tolerate partial shade but may result in slower growth and reduced leaf production.
Soil
Crambe Abyssinica prefers well-draining, fertile soil with a pH range of 6.0 to 7.5.
A mix of loamy soil with organic matter, such as compost, is recommended to enhance drainage and nutrient content. Ensure the pot or garden bed has good drainage to prevent root rot.
Humidity
This plant prefers moderate humidity levels, around 40-60%.
To increase humidity, consider misting the leaves or placing a humidity tray nearby. Signs of low humidity stress include browning leaf tips and wilting.
Temperature
Crambe Abyssinica thrives in temperatures between 60-75°F (15-24°C) and is hardy in zones 8-10.
It can tolerate light frost but may suffer in extreme heat above 85°F (29°C). During summer, provide some shade to prevent heat stress.
Fertilizing
Use a balanced fertilizer with an NPK ratio of 10-10-10 or similar.
Fertilize every 4-6 weeks during the growing season, starting in spring and stopping in late summer. Signs of nutrient deficiency include yellowing leaves and stunted growth.
Pruning
Prune Crambe Abyssinica in early spring before new growth begins.
Use clean, sharp pruning shears to remove any dead or damaged leaves. Deadheading spent flowers can encourage more blooms and improve overall plant appearance.
Repotting
Repot Crambe Abyssinica every 1-2 years or when it becomes root-bound, indicated by roots growing out of the drainage holes.
Choose a pot that is 1-2 inches larger in diameter. Carefully remove the plant from its pot, loosen the roots, and place it in fresh potting mix.
Propagation
Propagation is primarily through seeds.
Sow seeds directly in the garden in early spring or start indoors 6-8 weeks before the last frost. Plant seeds 1/4 inch deep and keep the soil moist until germination, which takes 7-14 days. Thin seedlings to 12-18 inches apart once they are a few inches tall.
When it's unhappy
Yellow leaves
Why it happens
Usually caused by over-watering or nutrient deficiency.
How to fix it
Check soil moisture levels and reduce watering if necessary. Fertilize with a balanced fertilizer to address nutrient issues.
Wilting
Why it happens
Often due to under-watering or extreme heat.
How to fix it
Increase watering frequency and ensure the plant is not in direct, harsh sunlight during the hottest part of the day.
Pests (aphids, caterpillars)
Why it happens
Common garden pests attracted to the plant.
How to fix it
Inspect regularly and treat infestations with insecticidal soap or neem oil. Encourage beneficial insects like ladybugs.
Root rot
Why it happens
Caused by over-watering and poor drainage.
How to fix it
Ensure proper drainage and reduce watering frequency. If root rot is suspected, remove affected roots and repot in fresh soil.
Powdery mildew
Why it happens
Fungal disease often due to high humidity and poor air circulation.
How to fix it
Improve air circulation around the plant and apply a fungicide if necessary. Avoid overhead watering.
Care through the year
Spring
In spring, prepare the soil by adding compost and fertilizing. This is the best time to sow seeds directly or transplant seedlings.
Summer
During summer, ensure consistent watering, especially during heat waves. Mulch around the base to retain moisture and suppress weeds.
Fall
In fall, continue to water as needed but reduce fertilization. Harvest leaves regularly to encourage new growth and prevent bolting.
Winter
In winter, protect the plant from frost by covering it with mulch or cloth if temperatures drop significantly. Water sparingly during this time.
Toxicity & Safety
Crambe Abyssinica is non-toxic to pets and children. However, ingestion of large quantities may cause mild gastrointestinal discomfort. Always monitor children and pets around any plant.
Good to know
How often should I water my Crambe Abyssinica?
Water your Crambe Abyssinica deeply once a week, increasing to twice a week during hot weather. Always check the soil moisture before watering.
What type of soil is best for Crambe Abyssinica?
Crambe Abyssinica prefers well-draining, fertile soil with a pH of 6.0 to 7.5. A mix of loamy soil and organic matter is ideal.
Can Crambe Abyssinica tolerate shade?
While it can tolerate partial shade, Crambe Abyssinica thrives best in full sun, requiring at least 6-8 hours of direct sunlight daily.
What are the signs of nutrient deficiency in Crambe Abyssinica?
Signs include yellowing leaves, stunted growth, and poor leaf production. Regular fertilization can help prevent these issues.
When is the best time to prune Crambe Abyssinica?
Prune in early spring before new growth begins to remove any dead or damaged leaves and encourage healthy growth.
How do I propagate Crambe Abyssinica?
Propagation is done through seeds. Sow them directly in the garden in early spring or start indoors 6-8 weeks before the last frost.
Is Crambe Abyssinica safe for pets?
Yes, Crambe Abyssinica is non-toxic to both pets and children, making it a safe choice for gardens with animals.
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