Rooting Pepper Cuttings: Cloning Favorite Pepper Plants in Water or Plugs
Pepper cuttings are stem tips cut from a pepper plant plus rooted to make a copy of it. NC State Extension notes the pepper, Capsicum annuum, is a frost tender perennial often grown as an annual, so a stem from a plant you like can root.
The short answer
Iowa State Extension advises cuttings 3 to 6 inches long with at least two nodes. Remove the lower leaves plus any flowers or fruit. Root them in perlite or water under high humidity with 4 to 6 hours of bright indirect light. Pot them up once roots reach about an inch.
Can peppers grow from cuttings?
The sources do not cover peppers by name. Iowa State offers a general stem tip method for many plants. NC State lists the pepper as a perennial in frost free areas. Use the steps below as a general method plus watch your plant’s response.
Iowa State calls early spring ideal for taking cuttings.
How do you root a pepper cutting?
Cut a 3 to 6 inch stem tip with at least two nodes, per Iowa State. Strip the lower leaves plus any flowers or fruit. Hormone is optional. Iowa State notes too much hormone can slow rooting.
Iowa State calls perlite a great rooting medium since it holds a good balance of water plus air. Pick containers at least 2 inches deep. For water rooting, change the water one to two times a week. University of Maryland Extension notes stale water can lead to rot.
| Factor | Target | Source |
|---|---|---|
| Cutting length | 3 to 6 inches, two nodes | Iowa State |
| Medium | Perlite or water | Iowa State |
| Light | 4 to 6 hours bright indirect | Iowa State |
| Air temperature | 65 to 75°F | Iowa State |
| Heat mat | 75 to 80°F | Iowa State |
Source: Iowa State University Extension and Outreach.
How do you care for a rooted pepper?
Iowa State advises transplanting once roots are about an inch long. Pot it in a small container of moist potting mix.
University of Minnesota Extension advises moving peppers outdoors once nights stay above 50°F, with soil ideally near 70°F. Minnesota notes nights below 60°F or above 70°F can weaken growth.
How to: step by step
- Cut a 3 to 6 inch stem tip with two nodes.
- Remove lower leaves, flowers plus fruit.
- Stick it in moist perlite or stand it in water.
- Cover it with a clear bag or dome.
- Give it 4 to 6 hours of bright indirect light.
- Transplant once roots reach about an inch.
Troubleshooting
Cutting wilts: low humidity. Put a clear bag or dome over it.
Slow rooting: too much hormone or a cold spot. Use less plus add a heat mat.
Rot in water: stale water. Change it one to two times a week.
For more on root media see hydroponic in different mediums. Read make cannabis clones for cloning steps. See caring for your hydroponic system plus hydro setup environment for system notes. Kind Seed Co also stocks cannabis seeds.
Sources
- How to propagate houseplants by stem tip cuttings, Iowa State University Extension and Outreach
- Growing peppers, University of Minnesota Extension
- Capsicum annuum (pepper), NC State Extension Gardener Plant Toolbox
- Make more plants from cuttings: 5 plants that root easily in water, University of Maryland Extension, Maryland Grows
FAQ
How long do pepper cuttings take to root?
The sources do not give a time for peppers. Iowa State Extension advises transplanting stem cuttings once roots are about an inch long. Maryland Extension notes water rooting can take several weeks.
Do pepper cuttings need rooting hormone?
Iowa State Extension notes rooting hormone is optional for stem tip cuttings. It adds that using too much hormone can slow rooting.
What night temperature suits young peppers?
University of Minnesota Extension advises transplanting once nights stay above 50°F. It notes nights below 60°F or above 70°F can weaken growth.
What medium works for pepper cuttings?
Iowa State Extension calls perlite a great rooting medium since it holds a good balance of water plus air. Mixes of perlite with peat moss also work, in containers at least 2 inches deep.
Do pepper cuttings need humidity?
Iowa State Extension advises high humidity for stem cuttings. A clear plastic bag or dome over the cutting holds moisture in while roots form.
