How to grow tomatoes, peppers and herbs in pots under glass. Pot sizes by crop, the best compost, and self-watering systems that end twice-daily watering.
Sweet potatoes need a longer, warmer season than most UK gardens provide. This guide covers slips, grow bags, 21-26C care, harvest and curing under glass.
A greenhouse hits 45-50C in summer sun, hot enough to scorch plants. The three cooling levers that hold it at 20-27C: full ventilation, shade netting and damping down. From installers with Greenhouse Stores experience since 2012.
Your July checklist for the UK garden and greenhouse, from Greenhouse Stores team: daily and holiday watering, weekly high-potash feeding, damping down for the heat, what to harvest and sow now, plus summer pruning for stone fruit and trained apples.
They are not even red in July. Glasshouse red spider mite goes from egg to adult in about a week at 30C, and lays most eggs at exactly the temperature where the predator everyone sells you stops feeding. Here is the identification, the maths, and the predator to buy instead.
Flowers everywhere and not a tomato in sight. Heat kills the pollen about nine days before the flower even opens, so the truss failing today was lost last week. What the temperatures actually are, why nights matter more than afternoons, and why misting is a waste of time.
Blossom end rot is not a calcium shortage and no spray will fix it. A trial of five calcium products cut the rot by nothing at all. Here is what actually causes it in a growbag at 30C, and the watering change that stops it.
Greenhouse shading helps protect plants from strong sun, but it works alongside ventilation rather than replacing it. Paint provides broad seasonal coverage, while netting and curtains are easier to adjust as the weather changes.
Those little black flies over your seed trays are fungus gnats (sciarid fly). Here is how to kill the larvae, dry the compost and clear a greenhouse infestation for good, from Greenhouse Stores team.
Hosepipe bans hit millions of UK homes in 2026. Here is how to keep your greenhouse watered legally: cans, water butts and timed drip kits, from Greenhouse Stores team.
A greenhouse fixed to your house counts as an extension, not an outbuilding. Here is how UK planning permission, boundary rules and the Party Wall Act really apply to lean-to greenhouses, from installers with Greenhouse Stores experience since 2012.
Can you grow roses in a greenhouse all year in the UK? Not quite, but glass buys earlier blooms and cleaner cut flowers. Variety picks, heating, winter rest and red spider mite control from Greenhouse Stores experience since 2012.
To order greenhouse replacement glass, identify the model, pane position, glass type and fixing system first. Use the manufacturer's glazing plan whenever possible.
Grow hydroponically in a UK greenhouse: NFT, Kratky and drip systems, the best beginner crops, and what a setup really costs. From installers with Greenhouse Stores experience since 2012.
Confused by greenhouse jargon? Our glossary explains 40 UK terms in plain English, from eaves height and glazing to damping down and hardening off. From installers with Greenhouse Stores experience since 2012.
The three greenhouse glazing options compared: horticultural glass (90% light), toughened glass (family-safe) and twin-wall polycarbonate (up to 40% warmer). Which to choose for your garden, from UK installers.
Heating a greenhouse without electricity might seem like a tricky task, but it's actually quite doable with a bit of know-how. Whether you're looking to save on energy costs or simply don't have access to power in your greenhouse, there are several clever methods you can use to keep your plants cosy. Let's explore some practical ways to maintain warmth in your greenhouse without relying on electrical heating.
When to sow and plant out greenhouse tomatoes in the UK, with a heated-vs-unheated timeline table. Plant by soil temperature, not the calendar. From installers with Greenhouse Stores experience since 2012.
How to force hyacinths, paperwhites and amaryllis for Christmas and winter colour. Week-by-week timing, the cold dark period explained, and the kit you need. From UK greenhouse installers with Greenhouse Stores experience since 2012.
