Desert Rose - Tips for cutting + help with yellow leaves

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Desert Rose - Tips for cutting + help with yellow leaves: help

The unique value of a desert rose is based in particular on a harmonious balance between the bizarre root system and the idiosyncratic branches. If this consensus is lost, because Adenium obesum gets out of shape, there is often helplessness among hobby gardeners regarding a pruning. The following cutting tips will help you take that burden off your shoulders. The same applies to yellow leaves, with which the tropical beauty signals discomfort. Here you can get help with yellow leaves, because we reveal all eligible Achilles heels.

Tips for cutting

Each desert rose captivates with a unique silhouette, so that there are very probably no two identical specimens among hobby gardeners in the world. This characteristic is based primarily on a balance between the succulent caudex and the branch. Where this harmony is disturbed, he is gone, the exotic magic. Instead, the big guesswork begins as to whether pruning is possible and how accurate it is to cut. How to handle the problem correctly:
  • The best time for a shape cut is towards the end of hibernation in spring
  • A strong pruning is tolerated as the desert rose from the old wood expels again
  • Recommended is a low-key cutting, given the slow growth
  • Make each cut 1-2 mm over an outward-facing bud
  • Be sure to use fresh ground tools to avoid pinching
  • Never cut into the caudex, because the consequences would be fatal
Inevitable are woody-corky stubs that remain at the interfaces. These disturb the visual appearance for some time until they fall off by themselves. This process can be accelerated by flattening the damaged area after a few months with a sharp, disinfected knife.
If you do not cultivate a rootless desert rose, but a specimen grafted on an oleander trunk, you will also be confronted with wildlings. These are shoots that sprout from the substrate and strive to overgrow the weaker desert rose. With a courageous jerk the wild shoots are prevented. Cutting off the branches only fixes the problem for a short time, because they are able to exorcise even the smallest remnants.

Special case black, rotting shoot tips

Without delay, you should grab the scissors if your desert rose turns black or brown at the tips of the branches. Often this damage pattern results from a break in the wood, bent leaves or flowers. Since fungal spores and pests lurk on such an opportunity, there is a need for immediate action. First cut the shoot tips back into healthy wood. Then examine the inner tissue. If an infection has already developed, continue cutting in small increments until you find fresh, healthy tissue. The interface is ideally sealed with charcoal ash or prehistoric rock meal.
Important: The desert rose is poisonous in all parts. Wearing protective gloves in all care work is therefore mandatory.

Help with yellow leaves

If a desert rose presents itself with yellow leaves, different triggers are hidden behind it. To get to the bottom of the matter, you will not be spared a dedicated cause research. The following tips would like to get you on the right track:
Seasonal foliage coloration
All-clear can be given immediately, provided that it is a seasonal color of the foliage, before it is discarded. It may seem surprising at first glance; but the African desert rose adapts to the reduced light conditions starting in November, by falling into a state of rest. Thus, the leaves assume a yellow color, comparable to the autumn color of garden plants.
Tip: If yellow leaves remain on a desert rose in the spring as a remnant from the previous year, they are simply removed to make room for the new shoot.

Adjust location

One of the most common triggers for yellow leaves on a desert rose is an inappropriate location. Adequate light and temperature conditions should be such:
  • Full sun, warm and protected
  • Constant high temperatures, well over 20 degrees Celsius
  • In summer, ideally the sunniest spot in the garden or on the balcony
Although an Adenium obesum is one of the sunniest plants, it should be gradually accustomed to the sun in spring. Settles the desert rose without hardening in the partial shade from the winter quarters on the sunlit balcony or the south window sill, it inevitably leads to sunburn. This damage manifests itself in yellow leaf spots that only heal gradually.

Take care when repotting

The ideal time to repot the desert rose is the time at the end of the winter drought. Only taking note of this point in time does not protect the sensitive plant from yellow leaves if a decisive factor is overlooked. The exotic succulent may only be poured after a waiting period. If you can identify this cause as a trigger, the plant can be saved in the following way with a little luck:
  • Pot the desert rose with the yellow leaves
  • Remove the wet substrate as much as possible
  • Repot in dusty potting soil and do not water
  • Ideal is a mix of two thirds perlite and one third garden soil
Wait until the desert rose to recover from the stress. Do not water until a fresh, green shoot appears.

Remedy nitrogen deficiency

A balanced supply of nutrients at a low level, promotes a rich green foliage color and magnificent flowering. If it comes to yellow leaves, this shortcoming indicates a shortage of nitrogen. In this case, additionally administer a handful of horn shavings, grained cattle manure or nettle. As soon as the damage improves, switch to a more even NPK fertilization in the dosage 5-5-5.

Balance the water balance

As a classic succulent, the desert rose stores a plentiful supply of water in its caudex. With a longer dry phase, the plant gets along much better than with waterlogging. If the irrigation water is overdosed, it causes decay at the roots, whereupon the leaves turn yellow. If this is the trigger you are looking for, any casting will stop immediately. If the desert rose does not recover in the following days and weeks, it should be repotted to a dry substrate outside the recommended time.

Desert Rose - Adenium obesum

Meanwhile, when the African natural beauty suffers from drought, a soft, spongy caudex develops from this deficiency. In the further course, the leaves turn yellow, dry up and fall off. Therefore, during the summer, always water the desert rose when the thumb sample detects a substrate several inches deep.
Tip: Highly calcareous tap water increases the pH in the substrate and in the worst case causes undesirable yellowing of the foliage. The use of rainwater for casting prevents this problem.

Distribute pests

If failures in care can be ruled out as the cause of yellow leaves, a pest infestation comes into focus. Examine your troubled desert rose for the following suspects and fight them immediately by natural means:
  • spider mites
  • aphids
  • Scale insects
  • mealybugs
  • thrips
The effectiveness of chemical pesticides has proved to be counterproductive to Adenium obesum so far. Although the parasites were destroyed, the entire foliage and flowers were also destroyed.
Do not fret any longer with a desert rose out of shape. Take advantage of these cutting tips to restore that unique silhouette. If you choose an appointment in early spring, the pruning may be more extensive. However, a little more effort claimed the cause research, if the Adenium obesum suffers from a yellow leaf coloration. The triggers explained here may serve as well-founded help with yellow leaves.

Video Board: How to deal with yellow leaves and caterpillars on your desert roses.

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