Grow Guide . rooting timeline . G-04
seven to fourteen,
if conditions hold.
How long cannabis clones take to root is 7 to 14 days under standard conditions. A fresh cutting in a humidity-controlled dome at 75 degrees with rooting hormone usually shows visible roots in 7 to 10 days. Stubborn strains can take 12 to 14 days. Past 21 days without roots usually means the cutting will not establish.
Roots emerge from the cut end of the stem, push through the rooting plug, and become visible at the bottom of the plug. The first sign of success is a small white root tip pushing through.
Root zone temperature 75 to 78 degrees. Humidity 70 to 80 percent. Rooting hormone applied to the cut end. Healthy mother plant under no stress.
Cold root zone (below 70 degrees). Low humidity (below 60 percent). Cuttings taken from a flowering plant (reveg cuts) take 21 to 30 days. Cuttings from a heavily fertilized mother resist rooting.
If no roots are visible by day 14, something is off. Check temperature, humidity, pH. If the plug is soaked and smells funky, the cutting may have rotted.
A cutting that has not rooted in 21 days under reasonable conditions is unlikely to root at all. Move on.
Kush and indica-dominant strains tend to root in 7 to 10 days. Sativa-dominant strains can take 12 to 14 days.
Yes. Rockwool is semi-translucent. Peat plugs are denser; look at the bottom and sides for visible root tips.
Both work. Gel adheres to the cut more reliably and gives more consistent results.
Keep the plug consistently moist. Light misting once per day on the inside of the dome.
Yes. The first visible root is the start. Wait another 5 to 7 days for the root mass to thicken before transplant.