Hartley Magazine

Greenhouse growing

Month by month

As seen in Gardens Illustrated A new guide on the 1st of every month

May means sowing, growing and ‘hardening off’.

Now’s the time to sow outdoor cucumber like ‘Marketmore’, marrow, squashes, pumpkins (vertically on edge, not laid flat like a surf board) individually in 7.5cm pots plus French and Runner beans and Sweetcorn in gentle heat in peat substitute seed compost or sieved multipurpose compost in a propagator, ready for planting out once the danger […]

March means seed sowing and re-potting!

What a dreadfully wet winter we’re having. I hope that you aren’t suffering too much from the incessant rain from one of the wettest winter’s on record and your garden isn’t too waterlogged, either. Rather than letting the rainwater from the water butts on your greenhouse go to waste, water parts of your garden that […]

Time to harvest and sow

Aubergines and tomatoes that have finished cropping, as some of mine have, can be composted, creating more space in the greenhouse border and between pots on the bench, admitting more sunlight and improving air circulation around the plants that remain. Early in the month, remove individual leaves around aubergines, peppers and cucumbers and continue feeding […]

Potting on and hardening off.

Sow: outdoor cucumber, marrow, squashes, pumpkins on edge, individually in 7.5cm pots plus French and Runner beans and Sweetcorn in gentle heat in multipurpose compost in a propagator. Tie in the leading shoots of tomatoes, peppers and aubergines as they grow to support growing stems. Continue to prick out and pot on seedlings, gradually increasing […]