fbpx
Home » Plant Hospital (page 4)

Plant Hospital

Scale – insects on plants

Scale are sap-sucking insects which commonly affect home grown citrus, natives, roses, flowers and ornamental shrubs. In severe infestations, the foliage is covered by a sooty black mould. This is because the scale insect secretes a sugary substance that causes the sooty mould to blossom over the foliage. The sooty mould looks terrible but is not an active threat other ... Read More »

Aphids – insects on plants

Aphids commonly appear on flushes of new growth and quite often they will only remain on the plant for a short period of time. Generally, if there are predatory insects in the area such as ladybird larvae, the aphids will be kept under control. In severe cases, spray them with Searles Bug Beater, a natural pyrethrum spray. For an organic ... Read More »