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Any new addition to your collection can contain stowaways, so you’d be wise to deploy a little patience – but how long is long enough?
The problem
There is nothing quite like the joy of bringing home a new plant. You find the perfect spot, nestle it in among your others, and stand back to admire the new arrival. What you cannot see are its passengers: a few spider mites tucked under a leaf, mealybug eggs in a joint, or fungus gnat larvae in the compost. A fortnight later, plants that were perfectly healthy are speckled, sticky or swarming, and you have no idea how it happened.
The hack
Quarantining means keeping any new plant separated from the rest of your collection for a few weeks before letting it join the others. The logic is simple: if something is going to emerge, you want it to do so in isolation, where it can be dealt with before it spreads to the whole crew.