What to grow in a UK greenhouse and how to grow it well — tomatoes, cucumbers, peppers, herbs, propagation, companion planting and year-round yields.
Matt W · 19th May 2026
Vertical greenhouse gardening turns a 4.5m² floor footprint into roughly 13m² of usable growing area by stacking four zones — floor, staging, climbing, and apex. From UK installers with 16 years on site. Two-tier staging, vertical strings, and apex hanging baskets for under £150 of kit.
Matt W · 18th May 2026
Which pest repelling plants actually work in a UK greenhouse? French marigolds cut whitefly by ~38%, tagetes suppress root-knot nematodes, nasturtiums trap aphids. We cover the science-backed seven plus the myths most blogs repeat without evidence.
Matt W · 15th May 2026
Are coffee grounds good for plants? After 16 years installing greenhouses and watching customers experiment, we cover fresh vs used grounds, the slug deterrent myth, the compost activator role, and which UK crops actually benefit from a mulch.
Matt W · 5th May 2026
The 8 potting shed accessories that earn their keep, ranked by what installers see customers reorder. Auto-vents, benches, drip kits, seed trays, and the small extras that turn a shed into a year-round growing space.
Matt W · 15th Apr 2026
Keep poinsettias for years and re-flower them every Christmas in your greenhouse. 14-hour blackout from September, 13-15C overnight, prune in April. Full year-round care guide.
Matt W · 15th Apr 2026
How to grow kiwi fruit in a UK greenhouse - six varieties compared (Jenny, Hayward, Boskoop, Issai, golden, silver vine), training, pollination, pests and a kiwi-vs-grapes head-to-head. From installers with 16 years experience.
Matt W · 10th Apr 2026
How to string and support cordon tomatoes in a greenhouse using overhead screwhooks and jute twine. Step-by-step guide from installers with 16 years experience, including which hooks fit your greenhouse and how to tie the twist.
Matt W · 9th Apr 2026
Complete guide to growing courgettes in a greenhouse. Covers sowing times, best varieties (Defender F1, Patio Star), hand pollination, spacing, ventilation, and pest control from experienced UK greenhouse suppliers.
Matt W · 9th Apr 2026
Expert guide to the best mini greenhouses in the UK. 27 aluminium and glass models from Access, Stali, Elite, and Palram. Comparison tables, size guide, and honest recommendations from 12 years of experience.
Matt W · 7th Apr 2026
Month-by-month potting shed growing guide covering tomatoes, herbs, salads, and overwintering veg. Expert tips on ThermoWood insulation, staging use, and crop rotation from installers with 12 years experience.
Matt W · 27th Mar 2026
Complete greenhouse propagation guide from expert installers. Covers seed sowing, softwood cuttings, semi-ripe cuttings and division with temperature charts and a month-by-month calendar.
Matt W · 23rd Mar 2026
Aubergines need 25-30C to germinate and consistent warmth through the season. This beginner's guide covers UK varieties, sowing times, the pinch-at-30cm rule and daily misting for fruit set, from installers with 16 years experience.
Matt W · 23rd Mar 2026
Best small greenhouses for UK gardens from 4x4 to 6x4. What to grow, how to use staging for vertical growing, and layout tips from installers with 16 years experience.
Matt W · 19th Mar 2026
Greenhouse flooring affects drainage, temperature, pest control, and comfort. Gravel over weed membrane is the most popular choice, used in 60% of the greenhouses we install. This guide compares gravel, slabs, concrete, soil, and matting with real costs.
Matt W · 19th Mar 2026
UK greenhouse growers lose up to 40% of their crop yield to ten avoidable mistakes. This guide covers each one with the specific fix, from auto vent openers to the right compost, based on 16 years of greenhouse installations.
Matt W · 17th Mar 2026
Seven UK-proven herbs for greenhouse growing, with cultivar recommendations, a month-by-month sowing calendar, staging layout guide, and winter protection methods. From installers with 16 years experience.
Matt W. · 10th Mar 2026
Cold frames extend your UK growing season by 6-8 weeks. Our installers compare 7 aluminium models from three manufacturers, with month-by-month planting advice and positioning tips.
Matt W · 10th Mar 2026
The 8 best tomato varieties for UK greenhouses, from sweet Sungold cherries to meaty Marmande beefsteaks. Tried and tested by our installers over 16 years.
Matt W · 5th Mar 2026
Grow fresh salad leaves every month of the year in an unheated greenhouse. Month-by-month sowing calendar, the five hardiest crops, and how to keep your greenhouse warmer without spending a penny on heating.
Matt · 4th Mar 2026
Which plants grow well together in a greenhouse? Proven companion planting combinations for UK greenhouses, backed by university research and 16 years of installer experience.
Matt W · 3rd Mar 2026
A practical guide to lean-to greenhouses covering wall positioning, sizing, thermal benefits, installation prep and what to grow. Includes comparison table, product recommendations and planning permission rules.
Matt W · 1st Mar 2026
Sow winter radishes like Black Spanish, China Rose, and Mooli in December under a cold frame. Seeds go 1cm deep in rows 15-20cm apart. A cold frame raises soil temperature by 3-5 degrees, triggering germination when open ground is too cold. Expect to harvest in 8-10 weeks.
Matt W · 24th Feb 2026
Before sowing your first seed, optimise your greenhouse environment. Position seed trays on the south-facing side where they'll receive maximum natural light. Install shelving to maximise vertical space?a standard 8x6 greenhouse can house 12+ seed trays when properly configured.
Insulate against temperature fluctuations by using bubble wrap on greenhouse walls during February?April sowings. This simple step maintains 3?5?C warmer night-time temperatures, crucial for heat-loving seedlings like tomatoes and peppers.
Matt W · 24th Feb 2026
March 2026 is when the growing season starts. From sowing tomatoes under glass to preparing your greenhouse for spring, here are all the jobs worth doing this month.
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