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 […]
Lack of light and cool temperatures over the last few weeks after the blast of heat and sunshine has slammed on the brakes on growth in the greenhouse. Sweet peppers and aubergines are slow get going and side shoot and the tomatoes look really lacklustre but the cucumbers in one corner, which don’t mind the […]
Growing Tips for Beginners: Greenhouse Gardening 101 The Romans were recorded as the first to create greenhouses, specifically growing cucumbers for Emperor Tiberius. There are early Korean records of greenhouses being used to grow flowers and force vegetables by 1438, and the Chinese grew mandarin trees indoors – the first ‘greene’ houses. In 1663, the […]
If you missed sowing broad beans in autumn, sow some now under glass for an early summer harvest, 5-8cm apart and 2.5cm deep in deep trays of multipurpose compost or singly in small pots. Put them in a cool frost-free greenhouse, and harden them off before planting outdoors in early spring. Use the hardy varieties […]
The winter months, when apart from popping into the garden to enjoy the winter flowers and harvest vegetables are one time of year when you really appreciate the pleasures of having a greenhouse to potter in. It’s not the busiest period of the year but you can still weed the benches, continue to sow ‘Cut […]
As the nights draw in and temperatures drop there is still plenty to do in the greenhouse. Sow sweet peas in a cool greenhouse for an early display next year. For more details, see October’s diary. Continue to sow batches of winter salads weekly in an unheated greenhouse (See September diary). As temperatures are lower […]
Sow sweet peas indoors from October to November. Soften the seed coat, by putting the seeds on a layer of kitchen towel on a dinner plate, put another layer on top. Dampen the towel, drain off excess water and sow as soon as they begin to swell or sprout, usually after about 48 hours. Those […]
When 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 left in the packets from […]
I’ve been having one or two problems with Blossom End Rot, where the end of tomatoes becomes circular, black and flattened. It occurs in peppers and aubergines, squashes and watermelons but is most often seen in tomatoes and is caused by lack of calcium in the fruits. Plants growing in soil, growing bags and potting […]
Now your greenhouse tomatoes are growing steadily, it is important to remove the side shoots of ‘cordon’ varieties to form a single productive stem. You don’t need scissors or secateurs, just snap them off with your finger and thumb. Make sure your tomatoes are well watered, too, particularly if they are in growing bags where […]
Apart from the few days of summer last month we spent most of last month in low light, constant rain and chilling winds, so the ground is still too cold and wet for sowing crops directly and will be for a while yet, so thank goodness there is plenty to do in the greenhouse. Seeds […]
From now on my monthly tips are going to focus on what to do in the greenhouse, so let’s start with a few tips what to look for when buying a greenhouse. Buy the largest you can afford and leave space for expansion because however large your glasshouse, it will never be large enough! It […]
