Row Cover vs Insect Netting for Vegetable Gardens (2026): 7 Differences That Decide

You're standing in the garden aisle — or three tabs deep online — staring at two white rolls that both promise to "protect your plants from pests." One is called floating row cover, the other insect netting, and they cost about the same. Which one do you actually need? Buy the wrong one and you'll either cook your lettuce in July or watch a May frost kill the seedlings your netting did nothing to protect. The good news: they're genuinely different tools, and once you know the seven differences below, the choice takes about sixty seconds. This is the comparison I wish someone had handed me before my first season.

The 30-second answer

If you only read one paragraph: buy insect netting if your main problem is bugs in warm weather — cabbage worms, flea beetles, carrot flies — and you want a durable cover you can leave on all summer. Buy fabric row cover if you plant early or late and want pest protection plus a few degrees of frost protection in one purchase. Many experienced gardeners eventually own both: fabric for the shoulder seasons, mesh for summer. The seven differences below explain why.

The 7 differences that decide

1. What they're made of

Row cover is a spun-bonded fabric — usually polypropylene or polyester — that looks and feels like a very thin white bedsheet. Hold it up and you can't see distinct holes; the fibers are bonded into a continuous sheet. Insect netting is a knitted or woven mesh — usually HDPE or polyethylene — with visible holes, like window screen. Plain-words version: fabric is a sheet, netting is a screen. That one structural difference drives almost everything below.

2. Which pests they stop

For big pests — cabbage white butterflies, squash vine borer moths, birds — both work equally well. For tiny pests, the details matter: fabric has no real holes, so it blocks even thrips and aphids; netting only blocks what can't fit through its mesh. Standard netting (around 1/16-inch openings) stops moths and butterflies but not flea beetles; fine netting (about 0.03 inch / under 1 mm) stops flea beetles, thrips, and carrot rust flies too. If your worst pest is tiny, either buy fabric or make sure your netting says "fine" or "ultra-fine."

3. Frost protection

This is the biggest practical difference. Fabric row covers are rated for frost: AG-19 (the common lightweight) gives about 2 to 4 degrees of protection, AG-30 gives 4 to 6, and heavy AG-50 gives 6 to 8. That turns a 30°F night from a seedling-killer into a non-event. Insect netting gives essentially zero frost protection — cold air flows straight through the holes. Row cover is a season extender; netting is a summer-only tool. If your zone's spring is a rollercoaster of warm weeks and freezing nights, this difference alone decides for you — check your last frost date and buy accordingly.

4. Heat buildup

The flip side. Fabric traps heat, and on days above about 85°F a sealed fabric cover can cook cool-season crops in an afternoon — the quiet killer of spring lettuce and broccoli. Mesh netting breathes dramatically better: air moves through the holes, so it's far safer to leave on through summer. Rule of thumb: fabric for cool weather, mesh for hot weather. Gardeners in warm zones often start spring crops under fabric, then swap to netting when temperatures climb.

5. Light and water transmission

Both let rain and irrigation through, so watering doesn't change with either. Light is where they differ: lightweight fabric (AG-19) transmits about 85% of sunlight, medium fabric (AG-30) about 70%, and heavy frost fabric (AG-50) only about 50% — noticeably dimmer underneath. Mesh netting, being mostly holes, transmits roughly 90% or more. In practice, plants under either grow fine; just don't use heavy frost fabric as a season-long pest cover, or you'll be growing in the shade.

6. Durability and lifespan

Fabric row cover is delicate stuff: expect 1 to 3 seasons with gentle handling, less if wind whips it against hoops or you yank it off frozen beds. Tears propagate — one rip becomes a sail. Quality UV-stabilized insect netting is far tougher: knitted HDPE mesh routinely lasts many seasons, and careful gardeners get the better part of a decade out of it when it's folded dry and stored out of sunlight each winter. Folded, not crumpled; dry, not damp; dark, not sunny — that's the whole storage ritual for both.

7. Price and long-term value

Upfront, they're in the same neighborhood: home-garden fabric row covers typically run $15 to $40 (a 83-inch by 25-foot piece of AG-19 is around $15), and insect netting typically runs $20 to $60 for comparable coverage (fine-mesh options sized for raised beds run roughly $26 to $38). But per-year cost favors netting heavily: a $27 piece of netting that lasts five-plus seasons costs a few dollars a year, while fabric you replace every couple of seasons costs more over time. Buy fabric for what it does that netting can't (frost); buy netting for everything else.

Which crops suit which

• Reach for insect netting: summer brassicas, carrots (carrot rust fly), eggplant and young brassicas (flea beetles), leafy greens in hot weather — anything where the job is purely "keep bugs off while it's warm."
• Reach for fabric row cover: spring transplants facing both pests and late frosts, fall crops you want to push past the first cold nights, and speeding up seed germination (fabric warms the soil a few degrees).
• Neither, without a plan: crops that need pollinators while flowering — squash, cucumbers, melons, and most fruiting crops. Covers block bees as effectively as they block butterflies. Either remove the cover when flowers open or plan to hand-pollinate. (Leafy crops and root crops never need bees, so cover them freely.)

For the full how-to on each tool, see our insect netting picks for raised beds and our beginner's row cover season plan for cabbage worms.

The decision, in plain words

If you're buying exactly one thing this season, let your climate and your calendar decide. Main pain is summer bugs? Buy fine insect netting — it's the more forgiving, longer-lasting, harder-to-mess-up purchase, and it works from June through September without babysitting. Planting early, planting late, or nursing transplants through frosty nights? Buy a lightweight fabric row cover like AG-19 — it's the only one of the two that also guards against cold.

And if you catch the gardening bug the way most of us do, you'll end up with both in the shed: fabric goes on the spring brassicas, netting takes over for summer, fabric comes back for the fall planting. That's not indecision — that's using each tool in the season it was made for. For the broader strategy these fit into, our complete pest-prevention guide puts covers alongside every other layer of defense.