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Grapefruit tree leaves curling9/10/2023 ![]() ![]() How often should a lemon tree be watered? Depending on how much browning has occurred it might be too late, but if you catch leaf curl early, your lemon tree leaves curling should recover easily. Yes, citrus leaves that have begun to curl can return to their normal verdant selves. Do curled citrus leaves go back to normal? It can be difficult to determine the reason, but whether it is caused by pests, diseases or drought, the end result is the same: lack of water = crispy leaves. For a number of reasons, water stops reaching the leaves of citrus trees. What do curled leaves on a citrus tree mean?Ĭurled leaves on a citrus tree are a sign of drought shock. Ensure your citrus trees are moved away from high winds. There are many different causes for citrus leaf curl, but a combination of organic insecticidal soaps, changing the soil and checking for root rot will cover all possible ground. It could help, and definitely won’t do any harm.Ĭitrus Leaf Curling FAQs How do I treat citrus leaf curl? This is the same for lime trees too, so consider potting any citrus into a bigger container when you see signs of leaf curl. If you grow lemon trees in pots and see lemon leaves curling then it is possibly due to the roots being too compacted in the pot. ( See our guide on choosing the right mulch for your garden.)Ĭitrus should be re-potted every 2-3 years, like all mediterranean plants when not grown in the ground. There are plenty of natural ways to boost water retention, like a thick mulch every spring to stop water evaporation from the soil surface, or adding a small amount of well rotted manure or garden compost to the potting mix. Liquid seaweed has the ideal nutrient levels for citrus, and boosts the flavour of the final fruits in a big way. To help prevent citrus tree leaf curl if you’re worried about it in warmer parts of Australia, or if you grow citrus on balconies, make sure your plants are placed in a sunny sheltered position, away from direct winds, and have ready access to water, and a weekly fertiliser of liquid seaweed. This should help to reduce the signs of curling leaves within 2-3 weeks. If you see no sign of pests, have healthy buds forming, and yet still find signs of leaf curl on citrus plants, then try moving them to a sunny but sheltered position away from high winds. While citrus doesn't require any significant humidity, wind burn is caused by forcing any moisture held on leaves away, and drawing moisture out of them faster than they naturally transpire. Wind burn is a very common problem with citrus trees, carrying moisture away for the plants at too high a rate. Ĭitrus leaf curl caused by poor water retention or under-watering can be easily rectified by improving the potting mix and maintaining a weekly watering and feeding routine. If your potting mix has no water retentive compost in, consider repotting it to include a loamy garden compost, leaf mould, or water retention crystals.ĭo you want to make your own compost? Check out our article on the best worm farms in Australia for 2023. One mistake gardeners make when they start growing citrus plants is to make their potting mix too well drained.Įvery guide you read for how to grow citrus suggests well drained compost, but it is important to realise they still need good water retention too. ![]() Rather than strictly suggesting under-watering, I’m using it as a very general term. ![]()
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