Desert rose is a low-maintenance succulent that blooms in the summer with dozens of trumpet-shaped flowers in pink, rose, or white.
It, like many succulents, prefers light, warm, and dry circumstances.
In retail garden centers, the desert rose (Adenium obesum) and its various hybrids are frequently seen. Flowers range in size from 2 to 3 inches across and can be single, double, or even triple. The plants require at least six hours of intense light per day to maintain their abundant flowering.
The desert rose is a stunning specimen for a deck or patio, but it is normally cultivated in containers that can be moved inside for the winter because it is sensitive to temperatures below 40 degrees.
This can be grown as a tiny shrub in South Florida gardens.
Overwatering can cause root rot, so be careful not to overdo it.
Your desert rose will grow to be four or five feet tall, with the bottom portion of the trunk, known as the caudex, widening and swelling.
Scale can be a problem for desert roses; keep an eye out for these small pests so you can swiftly solve the problem if your plant starts to suffer. Desert rose is vulnerable to oleander caterpillars because it belongs to the same family as oleander. Plants may droop slightly in the winter, but they will re-leaf once the cold season is over.
How fast do Desert Roses Grow?
Adenium obesum (desert rose) is a slow-growing plant that only grows around 12 inches each year. Its wide succulent trunk, thin and delicate leaves, and rich, deep pink trumpeting blossoms make it a popular bonsai plant.
- Plant bug scales come in a variety of shapes and sizes. If you discover that your plant is infested with one of these pests, a treatment with neem oil insecticides should suffice.
- Adenium may also be harmed by oleander caterpillars. If you see caterpillars on your plant, take them off by hand (use gloves) and treat the plant as soon as possible with Bacillus thuringiensis (Bt). These caterpillars can quickly defoliate your plant, so don’t be alarmed if this happens. Once the caterpillars have been eradicated, the plant will immediately regrow fresh dark green leaves.
- Anthracnose, a fungal disease, is sometimes a concern for Adenium. Anthracnose is most likely the cause of tan lesions on your plant’s leaves, which later become yellow and fall off. Don’t become discouraged. This illness usually strikes in the early summer or autumn and goes away on its own. Reduce the amount of water you use and rake up the fallen leaves to get rid of the fungus spores. Your plant should make a full recovery.
A single specimen of one of these tough, long-lasting plants can provide a lifetime of gardening pleasure. They can be used in the landscape, in containers, as bonsai, grafted together, grafted with oleander, and even planted upside down to produce visually interesting forms and displays.
Long-lived Desert Rose is one of those plants that becomes a family member. These plants can survive and grow for decades in the wild and under optimal conditions.
The care that these fascinating plants require provides a touchstone for the change from season to season in regions with cooler climates.
The plant blooms in the spring, relaxes in the summer heat, blooms again in the autumn, and hibernates in the winter. You’ll grow to consider of this unique botanical specimen as a dear friend as you care for and appreciate it over the seasons and years.
How much space does a desert rose need?
Plant a desert rose at least 2 feet apart from surrounding plants, and even further if possible. Come in approximately 3 feet from a walk or driveway to allow for future development and to prevent falling blossoms from causing a mess on the concrete. These plants are fantastic in containers, and the container can even be used to create an eclectic garden bed.
How long does a desert rose plant live?
The desert rose can live for more than 500 years. It has distinguishing qualities that allow it to last for decades. For example, its stem has a bloated base that continues to inflate over time and can grow up to two meters in diameter. The stem stores critical nutrients that the plant uses to nourish the other parts of the plant as the weather changes.
Measure the diameter of the stem to determine the age of a desert rose. Every millimeter symbolizes one year for this slow-growing plant. It’s a seasonal succulent that sheds its leaves when the season isn’t right. Surprisingly, the plant receives sufficient nutrients even when other plants begin to die due to extreme weather conditions.
Does a desert rose need full sun?
Q: Last summer, I purchased a lovely desert rose shrub. I transplanted it into a terra cotta pot and placed it in a protected location to avoid frost damage. I just realized the sturdy stem is soft and squishy now. What went wrong, and what can I do to prevent this from happening again?
A: The Desert Rose (Adenium obesum) is a lovely and exotic-looking plant that needs very little care. The overall shape is akin to a well-trained bonsai tree, with an expanded trunk base and twisted limbs. Simple five-petaled flowers emerge in many shades of pink, white, red, and yellow in the summer.
In the summer, the Desert Rose thrives in full sun with regular watering. When the temperature drops to 55 degrees or below, you should drastically reduce your watering. It’s best to use a terra cotta pot because it allows water to drain fast. When repotting, use a cactus mix and avoid using a pot that is too large.
If your plant is being watered on a regular basis by seasonal rain, you may wish to relocate it to a dryer place. The plant will rot if the soil is damp for an extended period of time.
How do you make desert roses grow faster?
Choose a sunny location; in tropical and arid climates, a little noon shade will keep it from scorching. Never “bury” a desert rose by planting it with the base of the caudex (trunk) at or just above soil level. The soil should be gravelly and free-draining, but a richer loam will be allowed.
Is Epsom salt good for desert roses?
Epsom salts are highly recommended by rose producers in particular. It not only makes the foliage greener and lusher, but it also generates more canes and roses, according to them. To apply Epsom salt to existing rose plants, either mix 1/2 cup of the salts into the soil surrounding the bush and water well, or dissolve 1/2 cup of the salts in water and use to moisten the soil around the rose bush. This is best done in the spring, when the buds are just beginning to open.
Should I trim my desert rose?
As a general rule, desert rose trimming should be done well before blooming, as the plant blooms on new growth. You risk removing buds and flowers when you remove older growth.
When trimming back desert rose in late October, be careful. Trimming desert roses thus late in the season results in fresh, sensitive growth that could be nipped by frost if temperatures drop.
Why are the leaves falling off my desert rose?
Because the desert rose requires more water during the months when it is actively growing, if it does not receive adequate hydration, it will drop all of its leaves and return to dormancy. Overwatering, on the other hand, can lead to root rot. Grow your desert rose on sandy, fast-draining soil to avoid either problem. Water it whenever the soil is dry two inches below the surface during the growing season.
Sunlight
Desert roses require a lot of sunlight, and a lack of light could be the reason why they aren’t flowering. Place the plant where it will receive at least five to six hours of direct sunlight per day, if not more.
Fertilizer
A desert rose doesn’t need much fertilizer, but it does need to be fed on a regular basis to ensure that it gets the nutrients it needs to blossom. Using a balanced, water soluble fertilizer, feed an outdoor plant two or three times during the spring and summer. During the spring and summer, feed indoor Adeniums once a week with a half-strength water-soluble fertilizer.
It may also assist to apply a phosphorus-rich fertilizer or bone meal to induce flowering.