Hartley Magazine

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

Successful ‘hardening off’ for perfect plantings

It is important to ‘harden off’ or acclimatising greenhouse grown plants to outdoor conditions before finally planting them out. Move them straight from greenhouse to garden and they can suffer from shock, particularly in cooler weather; most recover but it checks growth, causes yellowing and some vegetables may ‘bolt’ or run to seed. ‘Hardening off’ […]

It’s sow time!

Sow broad beans, spinach, cabbage, calabrese, kohlrabi, cauliflower, lettuce, peas for pods and shoots, onions, salad onions, turnip, radish, beetroot, leeks, leaf beat and chard under glass in pots or modules for later transplanting outdoors. Sow bunching onions, beetroot and round rooted carrots in pots for later transplanting outdoors. From the middle of the month […]

It may be December but there’s lots to do in the greenhouse

Start Amaryllis bulbs into growth, watering sparingly at first; just trickle a little tepid water around the bulb, then increase the amount as growth appears. Once they are actively growing, keep them constantly moist but not waterlogged and take care not to get the growth tip wet. They need temperatures around 20C so move them […]

Making the most of your greenhouse in autumn

Now that the weather is starting become distinctly autumnal, it’s time to pick your last tomatoes and ripen them on the windowsill or greenhouse. Some green, blemish free fruit can be stored in a cool drawer, to be ripened in the fruit-bowl or in a paper bag with an over ripe banana, as needed during […]

Heat your Greenhouse efficiently

Ventilate the Greenhouse on warm days but reduce this when temperatures drop later in the month and the amount of shading, so crops ripen and to avoid problems with grey mould caused by damp air and cooler nights. Before bringing plants in for overwintering check them for pests and diseases, and treat accordingly. Red spider […]

Lots to harvest and things to sow

It’s time to 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. These will germinate quickly and can be planted out by mid-August for cropping in autumn. Continue sowing ‘cut and come again’ crops like mixed herbs, in pots, […]