Hartley Magazine

All the latest news, hints, tips and advice from our experts

Time to sow tender vegetables

Early May is the time to sow outdoor cucumbers, marrow, squashes, pumpkins (vertically on edge, not laid flat like a surf board) French and Runner beans and Sweetcorn in gentle heat around 20C in peat substitute seed compost or multipurpose compost individually in 7.5cm pots, ready for planting out once the danger of frost has […]

April is the month when seed sowing is in full swing.

From now on the weather should begin to warm as spring progresses (note the use of the word ‘should’…. you never know these days!). Sow broad beans, spinach, cabbage, calabrese, kohlrabi, cauliflower, lettuce, peas for pods and shoots onions, salad onions, turnip, radish, beetroot, leeks, leaf beet and chard in the greenhouse. From the middle […]

Bubble wrap the inside of your greenhouse

Open greenhouse vents for as long as possible on mild sunny days, shutting them before temperatures drop early in the afternoon. The combination of high temperatures and low light makes leaves and stems soft, spindly and prone to grey mould which spreads rapidly in cool, damp conditions. Though good air circulation is vital, avoid chilling […]

Flowers and vegetables – the productive greenhouse in winter.

It’s still not too late to sow batches of winter salads every week or two in an unheated greenhouse. Growing them in trays, pots, old growing bags or borders as ‘cut and come again’ crops to harvest through autumn and into winter. Try hardy salads like land cress, radish, carrots for leaves, any of the […]

End of season sowing and other things to do.

Check your greenhouse heater to make sure that it works before the cold nights set in, have a roll of horticultural fleece on standby and pay attention to the weather forecast. It is worth investing in a back-up heater, too. There is nothing worse than being caught out by a sudden early frost Leave chillies […]

Talking tomatoes – and more…

Early in the month, especially if it is warm and sunny, sow trays, pots or old growing bags with ‘cut and come again crops’ to harvest through autumn and into winter, think land cress, oriental salads, like pak choi, mizuna and mibuna greens plus lettuce, lamb’s lettuce, chicory and radish. You can also use what’s […]

It’s time to harvest…. and sow

Sow Fennel, oriental vegetables like mizuna greens and Pak Choi, rocket, coriander dill, spinach, claytonia and land cress, in modules as soon as you can in August. These will germinate quickly and can be planted out by mid-August for an Autumn harvest. Blossom End Rot, where the end of tomatoes becomes circular, black and flattened, […]

Feeding, watering and ‘pinching out’

After a wet, cold May and low light, let’s hope plants and people can finally enjoy some sunshine. Aubergines, peppers and chillies should be transplanted into pots one or two sizes larger once they have formed a good root system but before they become pot bound. Transplant repeatedly until they reach a final pot size […]