Sowing Sweet Peas in Autumn Under Glass: A UK Guide
Matt W · 16th Oct 2026
Learn when to sow sweet peas and where to keep seedlings over winter. Check when to pinch out and plant out.
Growing in a Greenhouse
What to grow in a UK greenhouse and how to grow it well — tomatoes, cucumbers, peppers, herbs, propagation, companion planting and year-round yields.
Greenhouse Dining Ideas: 5 Layouts That Still Grow
Matt W · 1st Sep 2026
Compare five core greenhouse dining layouts plus four seasonal Janssens ideas, with practical planning advice and direct product links.
Greenhouse Grow Lights UK: What to Buy and What They Cost
Matt W · 24th Aug 2026
Compare five greenhouse grow lights by coverage, wattage, published output, safety limits and UK running costs before choosing a fixture.
Mealybug on Greenhouse Plants: A 30-Day Control Plan
Matt W · 20th Aug 2026
Identify mealybug, stop its lifecycle and prevent it returning to overwintered citrus and pelargoniums. Includes a 30-day treatment plan.
Container Gardening in a Greenhouse: A UK Grower's Guide
Matt W · 11th Aug 2026
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.
Growing Sweet Potatoes UK: Slips to Harvest
Matt W · 6th Aug 2026
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.
July Gardening Jobs UK: 8 Tasks From Expert Greenhouse Installers
Matt W · 18th Jul 2026
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.
Red Spider Mite in a Heatwave: Why Your Predators Fail
Matt W · 15th Jul 2026
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.
Greenhouse Tomato Flower Drop: Why Heat Stops Fruit Set
Matt W · 15th Jul 2026
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 in Greenhouse Tomatoes: Why Sprays Fail
Matt W · 15th Jul 2026
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.
How to Get Rid of Fungus Gnats in a Greenhouse
Matt W · 10th Jul 2026
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.
How to Water a Greenhouse Legally in a Hosepipe Ban
Matt W · 10th Jul 2026
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.
Year-Round Rose Growing in a Greenhouse UK
Matt W · 1st Jul 2026
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.
Hydroponics in a Greenhouse: A UK Beginner's Introduction
Matt W · 27th Jun 2026
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.
Greenhouse Glossary: 40 UK Gardening Terms Explained
Matt W · 25th Jun 2026
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.
When to Plant Tomatoes in a Greenhouse: Heated vs Unheated
Matt W · 23rd Jun 2026
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.
Forcing Bulbs for Christmas Colour in a UK Greenhouse
Matt W · 22nd Jun 2026
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.
Pinching Out Tomatoes: When to Snap, When to Stop
Matt W · 19th Jun 2026
How to pinch out tomato side shoots, choose cordon or bush, train a single stem to the ridge, and stop the plant for a heavy crop. Steps from greenhouse installers with Greenhouse Stores experience since 2012.
Greenhouse Tomato Problems & Troubleshooting: UK Guide
Matt W · 17th Jun 2026
Greenhouse tomato problems are usually heat and watering, not disease. Diagnose blossom end rot, splitting, greenback, poor fruit set, blight and whitefly, with the greenhouse-specific fix from Greenhouse Stores team.
Using Grow Bags in a Greenhouse: Tomatoes, Watering & Setup
Matt W · 17th Jun 2026
Grow bags suit greenhouse tomatoes, peppers and cucumbers, but plant two per bag, not three. A drip kit ends the twice-a-day summer watering. Setup and feeding tips from 16-year greenhouse installers.
Fruit to Grow in a Greenhouse UK: 12 Crops, Ranked
Matt W · 12th Jun 2026
Twelve fruits thrive in a UK greenhouse and eight need no heater at all. Installer-measured temperatures, a difficulty table and advice on the right house for figs, grapes, citrus and melons.
Early Crops Under Glass: Steal a Six-Week Head Start
Matt W · 10th Jun 2026
Beetroot, carrots, peas, broad beans and spring onions all crop 4-6 weeks earlier when started under glass. Our installers share the exact UK sowing calendar they use, plus the cold frame kit that makes it work.
How to Harden Off Seedlings: UK Timing & Step-by-Step Method
Matt W · 10th Jun 2026
Hardening off acclimatises indoor seedlings to outdoor life over 7 to 14 days. Skip it and tender plants die fast. Our UK schedule, cold frame method and frost-watch tips, from installers with Greenhouse Stores experience since 2012.
Why Do Plants Grow Faster in a Greenhouse?
Matt W · 10th Jun 2026
Plants grow faster under glass thanks to trapped heat, shelter and a longer season. We measured a 19C lift inside on a sunny April day and soil three weeks ahead of open ground. From installers with Greenhouse Stores experience since 2012.