Sooty mould

Time to act:

Jun, Jul, Aug, Mar, Apr, May, Dec, Jan, Feb, Sep, Oct, Nov

Sap-sucking aphids excrete honeydew, sometimes seen as a string or web of stickiness. This can drip down on to lower leaves and on to other plants. A dark or grey-green mould then spreads across the honeydew. It's unsightly and prevents light and air from reaching the leaves.

Symptoms

Black or greyish-green mould spreads across sticky honeydew deposited on pepper plants by aphids

Find it on

peppers, indoor and greenhouse plants

Advertisement

Organic

There's no control for sooty mould, but you can control the aphids. Outside, natural predators such as birds and ladybirds are your best allies. Ladybirds can be bought as a biological control, and you can also buy ladybird houses to encourage these helpful creatures to take up residence in your garden. They need time to tackle the problem, so don't expect them to hoover up the aphids overnight. Small clusters of aphids can be squished with your fingers or washed off with a strong jet of water.

Advertisement

Discover more ideas and inspiration

Related content

Container crops to sow in March

Blossom end rot

How to winter wash trees

How to get rid of aphids on houseplants

Related offers

Offer

Save £5 on shallots and garlic

Now is a great time to plant shallots and garlic for a harvest later on this year. You'll save £5 when you buy four packs (two of each) of shallot 'Vigarmore' and garlic 'Solent Wight' fpr just £14.80.

Order now

Offer

Save £10 on baking potatoes

Save a total £10 on this tricolour potato collection, comprising three great baking varieties, three growing sacks, fertiliser and a free packet of chive seeds. Enter code at checkout to save an additional £5 (a total of £10 off the RRP).

Use code: POTK5

Order now

Offer

Free potato-growing kit

Claim a potato-growing kit, including five Charlotte seed potatoes, five growing sacks, scrubbing gloves and five packets of vegetable seeds (worth over £22) for free - just pay £5.65 for postage.

Order now