The desert rose is a beautiful and unique plant native to arid regions of Africa and Arabia. It is a popular choice for indoor and outdoor gardening, thanks to its stunning flowers and low-maintenance requirements. Look deeper into the guide on how to Grow and Care for Desert Rose.
Overview
Native area | Tropical Africa, Arabian peninsula |
Bloom time | Summer |
Plant type | Succulent |
Soil type | Sandy, well-drained |
Flower color | Pink, red, rose |
Soil pH | Neutral to acidic |
Sun Exposure | Full |
Common name | Desert rose, Sabi star, mock azalea, impala lily |
Family | Apocynaceae |
Botanical name | Adenium obesum |
Mature size | 3–9 ft. tall, 3–5 ft. wide |
Hardiness zones | 11-12 (USDA) |
1. Type of Desert Rose
- Selenite desert rose: This type is composed of pure gypsum, which is a form of calcium sulfate. It has a white or translucent color and a silky luster. It is often found in sandy areas, where it forms from the evaporation of saline water.
- Baryte desert rose: This type is composed of baryte, which is a form of barium sulfate. It has a brown or yellow color and a vitreous luster. It is often found in clayey areas, where it forms from the precipitation of barium-rich fluids.
- Sand rose: This type is composed of sand grains that are cemented together by gypsum or baryte crystals. It has a sandy or earthy color and a dull luster. It is often found in dune areas, where it forms from the wind erosion of gypsum or baryte deposits.
2. Grow Desert Rose
- Step 1: Choose a suitable location. Desert roses prefer full sun and well-draining soil [2], so choose a spot that gets at least six hours of sunlight per day and has soil that drains well.
- Step 2: Prepare the soil. Mix sand and perlite into the soil to improve drainage and aeration. If planting in a pot, make sure it has drainage holes.
- Step 3: Plant the desert rose. Dig a hole that is slightly larger than the root ball of the plant, and gently place the plant in the hole. Fill in the hole with soil and water well.
3. Caring for a Desert Rose
Watering
Desert roses need to be watered regularly during the growing season [3], but they should be allowed to dry out between waterings. Overwatering can cause root rot and fungal diseases. In winter, when the plant is dormant, water sparingly or not at all.Soil
Desert roses need well-draining soil that is rich in organic matter. A cactus or succulent potting mix is ideal. You can also add some perlite, sand, or gravel to improve drainage. Avoid using soil that is too heavy or compacted, as it can suffocate the roots.Light
Desert roses need bright and direct sunlight for at least six hours a day. They can tolerate some shade, but they will produce fewer flowers and more foliage. If you grow them indoors, place them near a sunny window or under artificial lights.Temperature
Desert roses can tolerate high temperatures up to 40°C (104°F), but they are not frost-hardy. They should be protected from temperatures below 10°C (50°F), as they can suffer from cold damage. If you live in a cold climate, bring them indoors during winter or cover them with a frost cloth.Fertilizer
Desert roses benefit from regular fertilization during the growing season, from spring to fall. Use a balanced fertilizer that is diluted to half-strength, and apply it every two weeks. Avoid fertilizing in winter, when the plant is dormant.4. Pruning
5. Propagating a Desert Rose
6. How to Grow Desert Rose From Seed
- Sow the seeds in shallow trays filled with moist cactus mix.
- Cover the seeds lightly with more mix and keep the trays in a warm and bright place, but avoid direct sunlight.
- Water gently whenever the mix feels dry, but do not overwater.
- The seeds should germinate within a few weeks.
- When the seedlings have two sets of leaves, you can transplant them into individual pots.
7. Potting and Repotting a Desert Rose
8. How to Get Desert Rose to Bloom
9. Common Problems With Desert Rose
- Root rot: Desert roses are very drought-tolerant plants, but they can also be susceptible to root rot if they are overwatered. If you think your desert rose is suffering from root rot, you will need to repot it in a pot with fresh potting mix and water it less often.
- Mealybugs: Mealybugs are small, white insects that can infest desert roses. They feed on the sap of the plant, which can cause the leaves to wilt and turn yellow. To get rid of mealybugs, you can use a commercial insecticidal soap or neem oil.
- Scale: Scale is another type of insect that can infest desert roses. Scales are small, brown or black insects that attach themselves to the stems and leaves of the plant. They feed on the sap of the plant, which can cause the leaves to wilt and turn yellow. To get rid of scale, you can use a commercial insecticidal soap or neem oil.
- Sunburn: Desert roses are very sun-loving plants, but they can also be susceptible to sunburn if they are exposed to too much direct sunlight. If you think your desert rose is suffering from sunburn, you will need to move it to a spot with more shade.
- Frost damage: Desert roses are not frost-tolerant plants, so they can be damaged if they are exposed to frost. If you live in an area where frost is common, you will need to protect your desert rose by bringing it indoors or covering it with a frost blanket.
FAQs
Can desert roses be grown indoors?
Yes, desert roses can be grown indoors if provided with sufficient light and proper drainage. They do best in a south-facing window or under artificial grow lights.Are desert roses poisonous?
Yes, all parts of the desert rose plant are toxic if ingested. Care should be taken to keep the plant away from pets and small children.Can you propagate desert roses?
Yes, desert roses can be propagated from stem cuttings or from seeds. Cuttings should be taken in the spring or summer and allowed to dry out for a few days before being planted in well-draining soil. Seeds should be planted in the spring and kept warm and moist until they germinate.How long do desert roses live?
Desert roses can live for many years with proper care. They typically bloom from late spring to early fall and may go dormant in the winter. Source: The New York Garden works under restricted procurement guidelines and relies on peer-reviewed studies and studies conducted by academic organizations. Tertiary references should be avoided. For more information on how we ensure our material is correct and up to date, please visit our editorial policy.- Desert Rose - NC State University
- Well-draining soil - Green Horizons
- Growing season - U.S. Environmental Protection Agency