To cover a garden from hail, set hoops and secure hail netting or fleece before storms; add rigid lids for seedlings and tie every edge down.
Hail shreds leaves, bruises stems, and snaps new growth. The fix is simple: put a roof over beds before stones arrive. This guide shows fast setups and gear that work so you keep plants safe and harvests coming.
Why Hail Damages Beds So Fast
Hailstones drop with speed and mass that small plants cannot shed. Bigger stones carry far more energy. Knowing typical sizes helps you pick covers that match the threat in your area. The National Severe Storms Laboratory lists common sizes and the point at which storms reach “severe”. See its hail basics and size list for context.
| Hail Size | Typical Diameter | Garden Risk |
|---|---|---|
| Pea | ~6 mm (1/4 in) | Tears leaves on tender crops |
| Penny | ~19 mm (3/4 in) | Shreds foliage; dents fruit skins |
| Nickel | ~22 mm (7/8 in) | Breaks stems; bruises woody herbs |
| Quarter | ~25 mm (1 in) | Severe; rips covers with loose edges |
| Ping-pong Ball | ~38 mm (1 1/2 in) | Crushes seedlings; cracks flimsy lids |
| Golf Ball | ~45 mm (1 3/4 in) | Snaps stakes; needs rigid shielding |
| Softball | ~102 mm (4 in) | Only rigid panels or a garage-style shelter hold |
How To Cover Garden From Hail: Step-By-Step Setup
If you searched how to cover garden from hail, you need a plan that goes up fast and survives gusts. The steps below start with the frame, then the skin, then the tie-down points.
Plan The Span And Height
Measure the bed and pick a span that gives room for plant growth plus hand space. Many beds work with 19 mm (3/4 in) PEX or PVC hoops set 90–120 cm apart. Taller frames shed stones and stop pooling.
Build Sturdy Hoops Or A Simple A-Frame
For hoops, drive short rebar stakes at the edges, then slip pipe over them. For an A-frame, screw timber into triangles and cross-brace with a strip of wood or metal. The key is a firm anchor at the base and no wobble at the crown.
Choose The Right Cover
Hail netting sheds impact while letting air, rain, and light reach foliage. Pick a tough weave rated for orchards. Horticultural fleece cushions small stones and cuts wind burn. The Royal Horticultural Society explains types and uses in its guide to fleece and crop covers.
Add Rigid Shields For High-Risk Spots
Young starts, peppers, and tomatoes benefit from a hard cap during peak storm months. Use clear polycarbonate panels, vented cloches, or recycled crates with lids. Leave side gaps for airflow, then clip panels to the frame so wind can’t lift them.
Seal The Edges So Wind Can’t Pry
Clips stop flutter at the top, but edges tear when wind gets underneath. Run a batten along the long sides. Weight the skirt with sandbags, heavy timber, or ground pins every 30–45 cm. Tight skins bounce hail; slack skins shred.
Give Water And Hail Somewhere To Go
Set a slight ridge in the center so water runs off. Add a gentle slope along the bed for drainage. Where pooling forms, punch tiny weep holes in plastic lids, not in netting.
Stage A Storm Drill
Keep covers rolled on a broom handle with clips and stakes in a tub. When alerts ping, two people can skin a bed in minutes. One person unrolls and clips, the other weights the skirt. Practice once so setup is automatic.
Test Your Setup Safely
Before storm season, test the frame with a hose set to a hard spray and a handful of ice cubes tossed from a ladder. Check for sag, flap, and weak clips. Add one more batten if the skin ripples, and shorten spans that bend. A ten-minute test saves plants when a cell barrels through.
Covering Your Garden From Hail – Practical Rules That Work
Strong covers start with load paths. The frame spreads force, the skin sheds impact, and the anchors hold it all down. Follow these rules when storms loom.
Match Cover To Plant Type
Leafy greens like a soft layer that won’t bruise the crop. Vining squash can take a stiffer net. Tall tomatoes need headroom plus side vents so pollen sets. Woody herbs bend less and do fine under netting with a loose pitch.
Pick Durability For Your Climate
In hail alley zones, choose UV-stabilized netting with strong selvage. In mild zones, light fleece on hoops may be enough. Where wind roars, slim mesh beats sheet plastic since it spills gusts instead of acting like a sail.
Protect Poles And Edges
Add soft sleeves on pipe tips so fabric doesn’t snag. Tape any sharp bracket. Use wide clips, not tiny pins. Where covers rub wood, add a strip of old hose to cut wear.
Mind Light Levels
Plants need sun. Pick netting that passes good light; fleece comes in weights that trade warmth for brightness. Check growth after a week and swap materials if stems stretch.
Plan For Access
Build a flap on one long side with a batten and a few hooks so you can open the bed for weeding and harvest. Lids on hinges keep daily care fast, which means you keep covers on during the risky months instead of setting them aside.
Fast Actions On Storm Days
When radar shows cells forming, move fast. Your aim is a tight skin, clear paths for runoff, and weight at all edges. This is the moment when your prep pays off in saved plants. Keep movement smooth and steady today.
Before The First Drops
- Roll covers out next to beds and set clips every 30 cm along the top edge.
- Set weights on the windward side first so gusts can’t lift the skin.
- Shut greenhouse vents on the hail side and leave a leeward crack for airflow.
During The Burst
- Stay indoors if stones reach quarter size or more.
- If a panel cracks, throw a blanket or tarp over it to stop shards from falling in.
Right After The Storm
- Shake covers to shed ice so weight doesn’t rip seams.
- Drain pools and reset weights.
- Snip tattered leaves to lower disease risk and feed with a mild liquid feed.
- Vent for airflow once the sun returns to stop scorch.
Tools And Materials You’ll Use Most
Pick gear that fits your beds and climate. This list covers frames, skins, anchors, and handling tools you’ll reach for often.
| Item | What It Does | Best Use |
|---|---|---|
| PEX Or PVC Pipe | Easy hoops for row covers | Seasonal spans under 1.2 m wide |
| Timber A-Frames | Rigid roof line | Windy sites; tall crops |
| Hail Netting | Deflects ice; breathes | Long beds with frequent storms |
| Horticultural Fleece | Cushions small stones | Seedlings and greens |
| Polycarbonate Panels | Hard shield; clear | Seedling tables; planters |
| Clips And Battens | Grip fabric and seal edges | Any frame |
| Sandbags Or Pins | Weight or ground hold | Skirt tie-down |
| Storage Tub | Keeps kit in one place | Grab-and-go on alert days |
Costs, Lifespan, And When To Upgrade
Netting runs cheap to mid-range based on weave and width. Fleece costs less but wears faster. Rigid panels cost more and last for seasons when kept out of sun between uses. If stones bruise fruit under a soft skin, add corner posts and a ridge so the pitch gets steeper. If wind keeps lifting skirts, add more ground pins or swap to sand tubes that sit flat.
Common Mistakes That Tear Covers
Loose skins slap and rip. Sharp pipe tips snag. Tiny clips pop under load. Heavy sheets with no vents turn into sails. Single stakes at the corners twist in gusts. Fix these with sleeves, wide clips, mesh that breathes, and pairs of stakes at corners.
Recovery Tips For Hail-Hit Beds
Trim mushy tissue fast so rot stops. Wash grit off leaves. Feed a dilute seaweed or compost tea and hold off on strong nitrogen for a week. New growth can bounce back once roots stay healthy and sun returns. Net again before the next cell rolls in.
Seasonal Strategy You Can Stick With
Set a storm window on your calendar. Keep frames in place from late spring through summer in hail-prone regions. Swap skins by season: fleece in late spring, net in mid-season, rigid lids only where plants are shortest. Stash each skin dry and folded so fibers last.
Smart Weather Watching
Radar apps and trusted weather pages help you act in time. The Met Office page on hail and how it forms explains why some days set up large stones. Pair that with your area alerts and set a phone alarm for storm windows in peak season.
Quick Reference: Cover Picks By Crop
Use this cheat sheet to choose a cover without guesswork.
- Salads and spinach: fleece on hoops; add a light net on top during peak season.
- Tomatoes and peppers: tall hoops with net; rigid lids for young plants.
- Cucumbers and squash: net on a steep pitch; leave space for pollinators.
- Beans and peas: net that clears top growth by 20–30 cm.
- Strawberries: low hoops with net; close edges so stones can’t roll in.
- Herbs: simple net; pinch damaged tips to refresh growth after storms.
Bring It All Together
Pick a frame, pick a skin, and anchor every edge. That’s the whole game. With a ready kit and a short drill, you’ll be able to show friends exactly how to cover garden from hail and save your beds all season.