

Place 1–2 plants alongside cannabis in large containers.Įasy to grow and effective at improving the soil, alfalfa serves as a reliable and attractive companion plant.
Thyme companion plants full#
They thrive in moist but well-draining soil, full sun, and sheltered spots that protect them from harsh winds. Sow seeds directly into garden beds and pots. They’ll help protect your cannabis plants against aphids, whiteflies, slugs, and snails by drawing their attention away. These towering giants add some serious beauty to any garden, growing to 3m in height and boasting bright yellow flower heads. Where: Use as a cover crop inside garden beds and containers.The root mass of this hardy deciduous plant will survive underground at temperatures below -20☌ and grow back next year. Use them as a mulch layer or add them to the compost pile.

Cerastium's small blossoms grow no larger than 2cm across and make an appearance in early summer, emanating a very light and sweet aroma.Īfter flowering, cut these plants back. They’ll reach maturity within a brief window of 40 days, hitting a maximum height of 25cm. After seedlings have become fully established, thin them out, so there’s 20cm between each plant. The seeds will germinate after 14–21 days. They’ll tolerate a wide pH range, although cannabis prefers between 6.0 and 7.0. Aim to scatter seeds over a well-draining medium in an area that receives full sun-plants thrive in south-facing or west-facing positions. It helps retain moisture and protects microbial life from UV rays.ĭirectly sow seeds into or around garden beds in early spring, and don’t cover them with soil. The fast-growing plant spreads across the surface of the soil and acts as a cover crop. Harvest companion plants at the end of the season as ingredients for meals and herbal teas.Ĭheck out some of the most popular and effective companion plants for cannabis below.Ĭerastium tomentosum, otherwise known as dusty miller, grows in a mat-like formation. They’ll attract pollinator species to help out with your vegetable patch, too. Not only do companion plants protect your grow, but they also raise the health of your entire garden by contributing to biodiversity. Many species also improve soil health by enhancing soil structure and fixing nitrogen from the atmosphere.

Placing them between your cannabis may also help to break the spread of mould and other fungi that can ruin harvests. These ally species attract predatory insects to the garden that can clear up detrimental species in no time.

Companion plants serve as a natural way to protect your precious cannabis crop from pest invasions and some diseases.
