Cannabis Edema: Why Blisters Form Under Leaves
Edema puts blisters under cannabis leaves when roots take up water faster than leaves lose it. See what causes it, how to spot it and how to stop it.
Drip Trays and Spill Protection for Grow Rooms
Drip trays and spill protection keep runoff off the floor and away from cords. See how long pots can sit in water and why GFCI matters near trays.
Graywater for Cannabis Gardens: Is Laundry Water Safe to Use?
Graywater can stretch garden water, but UC Master Gardeners set firm limits on food plants. Learn what counts as graywater and what to avoid.
Watering a Garden With a Sprinkler: A Cannabis Guide
Watering a garden with a sprinkler? Compare sprinkler types, measure output with cans, overlap coverage and water in the morning to cut waste in the wind.
Soil Moisture by Feel: When to Water Outdoor Cannabis
Check soil moisture by feel with a shovel and your hand. Learn where to sample, how ball and ribbon tests read in each soil texture and when to water.
Winterize Drip Irrigation in Your Cannabis Garden
Winterize drip irrigation before the first hard freeze. Drain lines and soaker hoses, store timers and regulators, and protect outdoor spigots this fall.
Olla Irrigation: How to Water Cannabis With Clay Pots
Olla irrigation uses buried clay pots to seep water to roots. Learn how ollas work, how to make and place one, how often to refill and their limits.
Watering During Drought: Keep Outdoor Cannabis Going
A long dry spell is hard on any outdoor garden. Soil dries out faster, plants use more water in the
Hose Timer for Garden Watering: Setup for Cannabis Beds
A hose timer turns a garden hose into a simple automatic watering system. It screws onto your outdoor faucet, opens