When we're growing desert roses from seeds, we often have questions like how often or how much do you water the plants. Or what should the temperature range be. If you're wondering the same thing, then let's find out.
When you first get the seeds, you can soak them in water for 24 hours to increase germination rate. For the first 7-10 days, try to keep your growing medium moist. At this point, we don't bring them out to full sun yet. Semi-sunlight (semi-shade) for about 2-4 hours a day is good.
After about 5 days, you will see a curvy green stem sprouting up. It's very cute. We try to keep the moisture high so they can easily crack out from their shells.
After 10 days, the little sprouts will now stand taller with some tiny green leaves. If the brown shells do not drop, you can just leave them as-is. They may fall off later as the tree grows.
1 Month Old
When the plants are about 1 month old, they will have about 4-5 leaves. If you notice that the leaves are a bit saggy, then you can water them lightly.
If they are full & green, you don't need to water them at all. They can still survive & it's best that we not overwater them at this point.
You should water them when the temperature is not too high. Also, don't let any water droplets stay on the tips of the leaves. It will cause sunburn & browning.
The best temperature range for your plants now is as high as 35C (95F) in the daytime & as low as 23C (73.4F) at night. Within this range, the plants can grow well.
6 Pairs of Real Leaves
When they develop 6 pairs of real leaves (not counting the 2 sprouting ones), you can re-pot them into a bigger 3-inch pot. Make sure to leave no air pockets in the mix. Because it may take longer for the roots to develop & grab on.
After re-potting, you can mist the plants. They are now stronger & more ready to go outside. About 6-8 hours of sunlight will be great for their development.
Our babies are now about 2 months old. We can keep them in these pots for about 5 months before they grow bigger. Check the plants every 7-10 days, if the soil is totally dry, then water them.
Otherwise, pretend they are not there & do not disturb. When watering, make sure the soil drains well & the water does not sit around. Otherwise, it can cause root rot. Keep going this way until they reach about 6-7 months old.
6-7 Months Old
At this point, you can transplant the desert roses into bigger 8-inch individual pots for the roots to grow out more. Again, we leave no air pockets in the new soil.
With the same idea, you check the soil & if it's bone dry, give your plants some water. You can also look at their leaves. If the leaves are quite curled, pale & the caudex is a bit shrunk, then your plants may be thirsty.
If your leaves are turning yellow or you see spots popping up on the caudex, it is a sign of overwater. This may cause root rot. When you see this, cut the water amount immediately. Cut out the rotted part, let it dry out under the sun for several days & replant the adenium into the soil.
1 Year Old
Desert roses grown from seeds are usually healthier than those grown from cuttings. Thus, many can produce flowers within the first & a half year. During this growing phase, make sure you give them lots of water, especially if you live in a very hot climate.
When leaves are getting bigger, you can water them every three days. When flowers start forming, water them daily. Always remember to have a well-draining soil so water can exit out easily.
Placing the plants in full sun at this point will tremendously help their growth & flower formation. You keep going this way as your desert rose grows bigger.
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