Hydrofarm Trellis Netting 6″ Mesh Non-Woven 4’x328′

The Hydrofarm Trellis Netting 6" Mesh Non-Woven (4′×328′, SKU HGN3284) is a heavy-duty, long-lasting support net made from high-density polyethylene. The 6-inch reach-through mesh openings let you train and separate plant canopies by hand while the netting remains taut under the weight of fruiting vines. A single roll covers 4 feet wide by 328 feet long — enough to run a full greenhouse bay or a series of raised-bed rows — and the non-woven construction resists ground-rot, insects, and rodent damage without the fraying common to woven polypropylene alternatives.

Hydrofarm Trellis Netting Specifications

Key dimensions and materials verified from the manufacturer’s product listing (SKU HGN3284).

Specification	Value
Brand	Hydrofarm
SKU	HGN3284
Roll Dimensions	4′ wide × 328′ long (approx. 1.2 m × 100 m)
Mesh Opening	6 inches (reach-through)
Material	High-density polyethylene (HDPE), non-woven
Weight	4.47 lb (2.03 kg)
Construction Type	Non-woven (fused fibers, no loose threads)
Coverage Area	1,312 sq ft per roll

Why Choose Hydrofarm Trellis Netting

Trellis netting does one job: keep heavy fruiting plants upright without breaking, tangling, or rotting. This Hydrofarm roll earns its place in a commercial or home-scale setup for a few reasons that show up in day-to-day use.

6-inch reach-through openings. The 6-inch mesh is large enough to reach through with a gloved hand to reposition stems or harvest individual fruits without cutting the net. That matters in a long-run vegetable operation where you may be tucking plants daily for weeks. Smaller mesh sizes require tools or require you to work around the grid; 6-inch openings eliminate that friction.

Non-woven HDPE construction. The net is fused rather than knotted or braided, which means the junction points do not pull apart under lateral load. Woven alternatives tend to stretch at the knot intersections when a branch loads one square unevenly. The non-woven structure distributes weight more evenly across adjacent strands and resists elongation over a full growing season.

Resistance to ground-level damage. HDPE does not absorb moisture, so sections that contact wet soil or are exposed to irrigation run-off will not degrade from ground-rot the way natural-fiber netting does. The material also does not offer the chewing traction that woven polypropylene does, which makes it less attractive to rodents working the base of a row.

Roll economy. At 328 feet per roll, this single unit covers more than enough length for a standard 4-foot-wide bed run in a commercial greenhouse bay. Buying one roll rather than several short sections also means fewer splice points, which are the weak spots in a long net run.

Best Uses for Hydrofarm Trellis Netting

The 4′×328′ roll and 6-inch mesh are suited to support applications where vines need continuous vertical guidance over a long run.

• Indeterminate tomatoes and peppers. Indeterminate varieties continue adding height through the season and develop heavy fruit clusters. Running this net vertically between stakes or overhead wires gives each stem a consistent tie-off point at every 6-inch interval. The reach-through opening lets you tuck new growth without disturbing the net.
• Climbing beans, peas, and cucumbers. Pole beans and sweet peas climb by tendrils that grip the net strands naturally. Cucumbers can be guided through the openings to keep fruit hanging straight, which reduces ground contact and the rot and pest pressure that come with it.
• Grapes and ornamental vines. Established grape rows benefit from horizontal net layers that catch drooping clusters and keep them off the soil. The 328-foot length makes it practical to net an entire vineyard row without splicing.
• Greenhouse and high-tunnel trellising. In protected structures, the net can be suspended from overhead purlins to create a horizontal plant support layer (the “Florida weave” alternative). The lightweight roll is easy to handle on a lift or ladder inside a tunnel.
• Small-space intensive gardening. For raised-bed gardeners growing vertically to maximize yield per square foot, a portion of this roll can be cut to fit a single bed width and reused across seasons, since HDPE resists UV degradation better than natural fiber alternatives.

Hydrofarm Trellis Netting vs Similar Products

The main alternative for this product type is conventional woven polypropylene trellis netting, available from a range of generic suppliers at similar price points. Here is how the two compare on the factors that matter most in a working grow environment.

Construction method. Woven netting is made by interlacing strands at right angles and knotting the intersections. Non-woven netting like this Hydrofarm roll is produced by thermally bonding the fiber matrix, so there are no discrete knots to slip or unravel under load. In a high-canopy tomato row where one plant may put several pounds of fruit on a single mesh square, the fused junction holds more reliably than a knotted one.

Fraying and longevity. Cut sections of woven netting fray at the edges and along cut lines throughout the season. The non-woven HDPE in this roll does not fray when cut, which makes custom sizing cleaner and means the edge of the net does not contribute loose fibers to the growing environment.

Moisture behavior. Both materials are synthetic and resist moisture absorption. However, woven netting can trap organic debris between strands at the knot intersections, which creates localized rot and pest habitat over time. The smoother surface of non-woven HDPE sheds debris more easily.

Roll length. Many competing trellis net rolls are sold in 25-foot or 50-foot lengths. At 328 feet, this Hydrofarm roll is intended for commercial-scale or multi-season use. If you need only a short run, a smaller roll from any supplier will be adequate and less expensive per purchase; if you are netting a full greenhouse row or multiple beds in one go, the long roll reduces the number of seams and splices you need to manage.

If you are outfitting a grow room or greenhouse and need additional tools for canopy management, a set of Fiskars micro-tip replacement scissor springs keeps your trimming tools in working order when working around netting.

Compatibility

This trellis netting is compatible with standard grow-room and outdoor garden support structures. It can be attached to T-posts, bamboo stakes, wooden frames, metal conduit rails, or greenhouse overhead purlins using cable ties, twine, or S-hooks threaded through the mesh openings.

The 4-foot width fits directly across a standard 4-foot-wide raised bed or a single greenhouse bay row. For wider structures, multiple rolls can be run side by side and the mesh openings aligned at the seam — the non-woven edges butt together cleanly enough to maintain a continuous support layer.

The non-woven HDPE material is chemically inert and does not react with common nutrient solutions, fungicide sprays, or pesticides. It is safe to use in proximity to drip irrigation lines and can be rinsed and re-tensioned between growing cycles.

For growers operating inside enclosed tents, the netting functions as a SCROG (Screen of Green) support layer positioned horizontally beneath the canopy. If you are working in a larger enclosed space, the Gorilla Grow Tent 8′×8′ provides the frame and overhead anchor points this netting requires for a horizontal SCROG setup. Clean cuts and precise installation are easier with a fresh razor blade when trimming the net to exact tent dimensions.

Usage Guidelines

Trellis netting performs best when installed before plants reach the net height, so stems can be guided into the mesh openings incrementally rather than threaded through all at once after they have stiffened.

Tensioning. Attach the top edge of the net to a secure overhead anchor (purlin, wire, or top rail) before securing the bottom edge. The net should be taut enough to resist lateral swaying under the weight of the canopy, but not so tight that individual mesh squares deform under light finger pressure. If the net sags noticeably when you press a stem into a square, add a mid-span support stake or wire.

Spacing plants to the mesh. The 6-inch opening is designed for one main stem per square at the canopy level. For indeterminate tomatoes trained to two leaders, plan for two squares per plant at the trellising height. Beans and peas self-attach; cucumbers and squash may need occasional tucking to keep one fruit per opening.

End-of-season handling. Because the HDPE does not absorb organic material the way natural fiber does, the net can be rinsed with water, allowed to dry, and re-rolled for reuse. Inspect fused junction points for any stress fractures before re-installation. Any section that has been heavily loaded and shows elongated openings should be retired from high-canopy duty but may still serve as a lower support layer or windbreak.

Cutting to length. The net cuts cleanly with scissors or a utility knife against a straightedge. Non-woven HDPE does not require sealing cut edges — they will not fray or unravel. Mark cut lines with a marker before cutting if a precise width is needed.

How to Install Hydrofarm Trellis Netting

1. Set your anchor points. Drive T-posts, wooden stakes, or conduit uprights at both ends of the row and at intervals no greater than 6–8 feet to prevent mid-span sag. For horizontal SCROG applications inside a tent, confirm that overhead anchor points can support the combined weight of the netting and the canopy it will hold.
2. Unroll the net along the row. Keep the roll elevated slightly above ground to avoid dragging the net through debris. A helper holding the roll while you walk the row makes this faster and prevents tangling.
3. Attach the top edge first. Thread cable ties, S-hooks, or twine through the top-row mesh openings and secure them to the top wire or purlin at every other square (approximately every 12 inches). Pull the net taut longitudinally before tightening the fasteners.
4. Secure the bottom edge. If the installation is vertical (trellis wall), secure the bottom edge to a bottom wire or stake at a height that places the first mesh row 6–12 inches above the soil. This prevents ground contact that can abrade the net and collect debris. For horizontal SCROG use, the bottom edge simply hangs free or is tied lightly to a lower frame rail.
5. Check tension across the run. Walk the length of the installed net and press each section lightly. Any span that deflects more than an inch or two under light pressure should have an additional mid-span tie-off point added.
6. Guide initial plant growth into the mesh. Before plants reach the net height, position the main stem of each plant below the first mesh row so that new growth pushes up through the first opening naturally. For established plants being added after installation, gently thread the stem tip through the appropriate opening without forcing branches at their base.
7. Trim excess net. Use scissors or a utility knife to cut the roll to the required length. The non-woven edge does not require finishing — cut, fold under any excess, and secure the tail with a cable tie to prevent wind flutter.

Sources & Further Reading