How to Treat Aphids Naturally on Your Plants?
Quick answer: to get rid of aphids naturally, spray a 100% plant-based anti-aphid spray directly onto the colonies (often found under young leaves and on buds), and repeat the application every 3 to 5 days until they have completely gone. Aphids reproduce very quickly (a single female can give birth to several generations within a few weeks), which is why repeated treatment matters more than a single application.
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How do you identify an aphid infestation?
Aphids gather in dense colonies on young shoots, buds and the undersides of leaves. They secrete sticky honeydew, which can encourage black sooty mould, and they cause the affected leaves to curl or become distorted.
The natural treatment protocol
- Shower the plant with clean water to physically remove part of the colony.
- Spray a natural anti-aphid product, paying particular attention to the undersides of the leaves and the buds.
- Repeat every 3 to 5 days for 2 weeks to break the fast reproductive cycle.
- Encourage beneficial insects such as ladybirds outdoors, which are natural predators of aphids.
Why do aphids multiply so fast?
Aphids reproduce by parthenogenesis (without fertilisation) and give birth to larvae that are already pregnant within a few days, which explains the rapid population explosion if nothing is done at the first signs.
Frequently asked questions
How long does it take to get rid of an aphid colony?
With regular treatment every 3 to 5 days, allow 10 to 15 days for complete control of the infestation.
Do aphids spread between plants?
Yes, notably via ants, which farm them for their honeydew, or simply by contact between neighbouring foliage; isolating the affected plant limits the spread.
Should you treat as a preventive measure even if no aphids are visible?
It is not always necessary, but regularly checking the undersides of young leaves lets you treat the very first individuals before a colony becomes established.