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Description

The Novagryl P-19 floating row cover is a lightweight protective veil (19 g/m²) made of 3 layers of non-woven fibers, manufactured in France. It is a professional-grade product: under the fabric, the sun's heat accumulates during the day and is retained at night, creating a microclimate 3 to 5 °C warmer than the outside temperature.

Result: you can plant 2 to 3 weeks earlier in the spring and harvest for several weeks longer in the fall.

Benefits

  • Protects against frost from 0 to −3 °C — and up to −6 °C by doubling the fabric at the end of the day
  • Lets light (82%), rain, and air pass through: no need to remove it for watering
  • Also protects against wind, harsh weather, and insect pests (flea beetles, carrot flies, cucumber beetles)
  • Lightweight and stretchable: it follows the growth of the plants without smothering them
  • UV-resistant, reusable for several seasons if stored dry and away from sunlight

When to use it

  • In spring (late April to mid-June): get a head start on your direct sowings and acclimate your young plants: vegetables, herbs, annuals, and tropical plants are stressed by sudden temperature fluctuations
  • In autumn (late August to November): give fruit-bearing vegetables the heat they need to finish ripening, and extend your succession crops: bok choy, rapini, kale, lettuce, mizuna, carrots, spinach, radishes
  • During the season: remove the fabric during the day once it reaches 25 °C, and remove it completely when nights stay above 15 °C

Installation in 4 steps

  1. Install immediately upon sowing or planting, on a sunny day, so that the heat begins to accumulate
  2. Place the fabric over hoops spaced 4 feet apart: the air volume promotes growth and avoids contact with foliage (disease, stress). On well-established crops, it can also be laid directly
  3. Leave some slack in the center: the plants will grow underneath
  4. Secure all sides well with weights (stones, soil bags, or garden staples); this is what retains the heat

Tip: choose your size by adding about 10% for weighing down the sides, the hoops, and the slope of the ground.

Various sizes available.

Semences du Portage inc. will not be held responsible for any fabric damaged by winds exceeding 40 km/h.