Maximising Growth Potential with Keder Greenhouse Cladding

David Domoney
21 hours ago
5 min read

Updated: 30 minutes ago

Healthy plants begin with ideal conditions. Light, warmth, and shelter are important parts of every leaf and flower taking shape. The material of your greenhouse sets that stage each day.

Keder’s advanced cladding is designed to create a friendly, consistent environment where plants can simply get on with growing. Here is how it helps, and why other mainstream greenhouse materials struggle in the same situations.

Sunlight

Light makes or breaks growth. The aim is a bright, gentle light that reaches more leaves without glare, so plants grow sturdy and even.

Even light for sturdy growth

Keder’s multi-layered cladding scatters sunlight gently, so brightness reaches every shelf and leaf. Seedlings stay healthy, and leaves colour evenly. Trays at the back or underneath shelves keep pace with those at the front. You rely less on extra shading in the spring, and plants lean less because there’s no single patch of sunlight to chase.

Other greenhouse materials can look bright but behave unevenly. Glass sends sharp beams, making plants reach and flop unless you add shading. Plastic diffuses well when new, but eventually clouding reduces the brightness needed for early sowings.

Polythene films can also vary a lot. Creasing and age create blotchy light, so some plants surge whilst others struggle.

Bright sunshine without the scorch

On the other hand, midday heat is a different challenge tackled well by Keder greenhouses. In strong sun, its gentle scatter reduces hot spots which spike leaf temperature. Leaves avoid sudden bursts of heat, marking or bleaching tissue.

Venting works better because warmth isn’t trapped in one fierce patch. The greenhouse stays bright yet comfortable, so tomatoes keep setting and cucumbers keep their shine instead of pausing.

Glass heats faster near the roof, so you juggle blinds and vents on clear days, then lose valuable light when clouds return.

Plastic greenhouses still develop hot patches under the high summer sun, so tender foliage often needs screening.

Films rely on anti-drip or diffusion coatings that fade, and glare creeps back just as crops are peaking.

Warm nights and calmer mornings

Warmth in the evening protects flowers and small fruit. When temperatures dip sharply, it can affect plant growth. Keder’s cladding helps to level out these temperature dips.

The layers trap air, which insulates the greenhouse, slowing the escape of heat once the sun sets. Then, plants like tomatoes, peppers and cucumbers can continue to develop without the shock of cold air on tender growth.

Glass can be a poor insulator without additional liners or heating. This can increase the running costs, meaning more maintenance during the winter.

Plastic greenhouses keep some warmth, if joints are snug, but this can deteriorate as the sheets age, and any gaps appear. This means protection at night may drop.

Polythene films offer only minimal warmth, which can slacken in cold weather, needing re-tensioning.

Strength when the weather turns

British weather can be quite the test for garden structures. Keder’s cladding is tough and fixes to the frame with a secure system, resisting lifting and flapping. There’s no shatter risk, too, protecting your plants and giving you peace of mind. Hail and falling twigs are shrugged off the material with ease, creating a steady home for your crops. The greenhouse has a whole is even windproof up to 120 mph.

Glass can crack or shatter on impact, even when toughened. Replacing the panes takes time, care, and expense, and can be difficult to time with the right weather conditions.

When new, Polycarbonate is impact-resistant; however, screws and edges need attention as strong gusts can probe any weaknesses.

Polythene film can tear or lift if not well-anchored. Exposed gardens and allotments will often find themselves re-securing covers after storms rather than tending to plants.

More time for growing

Keder’s cladding is built for longevity, quietly performing whilst you get on with enjoying your garden. It needs simple seasonal cleaning and occasional checks, then carries on doing the same dependable job.

Alternatively, polycarbonate requires regular cleaning to prevent clouding and algae growth. Some sheets yellow over time, which is difficult to reverse and with age can become brittle.

Glass does stay clear with care, but broken panes and seal failures need maintenance. Films are affordable to begin with, but they can need replacing quite regularly.

Real-world growing benefits

In spring, even light guarantees trays of lettuce, beetroot, and brassicas stay tidy. You get sturdy seedlings that transplant reliably. Keder keeps those nights calmer too, which is vital when late frosts threaten.

In summer, tomatoes and cucumbers welcome a bright greenhouse without scorch risk. You can ventilate with confidence, knowing the light inside will remain consistent.

When it comes to propagation, cuttings of pelargoniums, fuchsias, salvias, and many perennials root more reliably when leaves don’t suffer drips or chills.

Over winter, hardy salads, rosemary, thyme, and young shrubs thrive because the cold is less harsh, and the damp is easier to control.

With other coverings, success is still possible, yet there is usually more juggling. Shade needs to go on and off with glass, which adds effort and steals light on cooler spells.

Polycarbonate can be a good compromise, but attention to cleanliness and fittings is ongoing. Films can produce excellent crops at scale, although home gardeners often tire of frequent re-tensioning and the shorter lifespan.

Simple habits to unlock the advantages

Keder’s cladding sets you up well, and a few gentle habits make it even better. These small steps keep plants comfortable and growth steady:

Vent early on bright mornings so temperatures rise smoothly.
Water in the morning, then leaves dry before night.
Keep pathways clear for airflow and fewer disease issues.
Space benches so lower shelves still see the sky (not necessary with a Keder)
Group heat lovers centrally and shade lovers at the edges (not necessary with a Keder)
Clean the cover with mild soapy water.
Check seals and fixings before winter winds arrive. (not necessary with a Keder)

A calm, capable choice for British gardens

In the end, gardeners want predictable, enjoyable growing. Keder’s advanced cladding brings that calm predictability. Light is soft and even, so plants grow compact and colourful. Nights are warmer, so flowers hold and fruit sets. The cover is tough, so the weather becomes background noise rather than a constant worry. Other materials can do parts of this, though they often need more add-ons and effort to reach the same result.

If you would like a greenhouse that supports vegetables, ornamentals, and propagation through the year and many years to come, Keder’s cladding is a confident, practical choice. It creates a kinder space for plants and a simpler routine for you, which is exactly what a busy gardener needs.