To propagate rosemary from cuttings, take 4 to 6 inch tips of this year’s growth, strip the bottom 2 inches of leaves and push them into a gritty, barely moist mix. Keep them warm and bright, out of hot sun. Rooting usually takes 4 to 8 weeks, so the first decision is to wait, not to keep checking.
Rosemary cuttings test your patience more than your skill. For the first month nothing seems to happen. The stems look exactly as they did on day one, and you will want to tug, water or repot. Honestly, that itch kills more cuttings than any pest.
Advice written for soft herbs like basil or mint doesn’t fit. Rosemary is a woody shrub from dry Mediterranean hillsides. It roots slowly and rots in the damp, cozy conditions those faster herbs love.
Before cutting, note the parent’s variety, whether its new growth is still soft or turning woody at the base, and your average first fall frost date. Those three facts decide which stems to take and where the young plants spend their first winter.
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12 rosemary cutting steps from start to new growth
The steps run from snipping the parent shrub to a young plant ready for its own pot. Most of the hard calls come in the slow, boring middle.
1. Know when seed is the better method
Rosemary seed is slow and patchy, often taking 2 to 3 weeks to sprout, and named varieties don’t come true from seed. If you want another ‘Arp’, ‘Tuscan Blue’ or trailing rosemary like the one you have, cuttings are the only reliable way.
Seed only makes sense if you have no parent plant and don’t mind which type you get. A young nursery plant in a 4 inch pot, usually $5 to $8, is often faster still.
2. Choose healthy starting material
Look for this season’s shoots that are green and flexible at the tip and just starting to firm up at the base. Softwood tips in late spring root fastest; semi-ripe shoots in mid to late summer are sturdier and less likely to wilt.
Pass over shoots with flower buds, gray old wood, or a dusty white coating on the leaves, which is usually powdery mildew. A parent that is drought-stressed and dropping needles gives weak cuttings, so water it well the day before.
3. Record the parent plant and date
Rooting takes long enough that you’ll forget the details. Write down the variety, the type of wood (soft or semi-ripe), the date and how many you took.
The date tells you when to start looking for roots. Before week 4, checking just disturbs them.
4. Prepare labels before cutting
Have one label per pot ready, with variety and date, before you pick up the snips. Upright and trailing types look alike as bare 4 inch sticks.
Push labels in at the edge of the pot, not near the stems, so you can pull one out to read it without rocking a cutting.
5. Make the cut at the right point
Cut a 4 to 6 inch tip with sharp bypass snips, then trim just below a leaf joint. Strip the needles from the lower 2 inches by pulling gently downward, and leave the top 2 to 3 inches leafy.
Don’t take more than about a quarter of the parent at once. It needs its foliage to recover, and rosemary doesn’t regrow well from bare old wood.
6. Limit moisture loss while handling
Rosemary holds water better than soft herbs, but the cut end still dries and seals within an hour in a warm breeze. Wrap cuttings in a damp paper towel inside a plastic bag as you collect them.
Pot them within 1 or 2 hours. If a tip has flopped hard before it reaches the mix, it seldom roots.
7. Use a clean, gritty rooting medium
Mix about half seed-starting mix and half perlite or coarse sand. It should hold shape when squeezed and then crumble. Fill a 3 to 4 inch pot with drainage holes and insert 3 to 5 cuttings around the edge, about 1.5 to 2 inches deep.
Rooting powder is optional. A light dip of the cut end may speed things up; tap off the excess. Rosemary can root in water, but those roots sulk when moved to soil, so I’d skip the jar and go straight to mix.
8. Give new roots air as well as moisture
This is where rosemary differs most from basil. Water once to settle the mix, then only when the top half inch feels dry, which may be just once a week indoors.
A clear bag over the pot helps in dry indoor air, but open it for an hour every day or two. Gray mold on the leaves or blackened stems at the soil line means it’s too wet and too still.
9. Hold light and temperature steady
Keep the pot at about 65 to 75°F in bright, indirect light, or 6 to 12 inches below a grow light for 12 to 14 hours a day. Direct sun on a covered pot overheats it within an hour.
Moving the pot around the house resets the clock each time. Pick one spot and leave it there for the full 4 to 8 weeks.
10. Keep one backup cutting
Expect some losses with rosemary; 1 or 2 in a pot of 5 failing is common. Take at least 2 more cuttings than the number of plants you want.
If you have room, root a second pot from semi-ripe wood a month later. If one batch fails, the other usually doesn’t.
11. Pot on at the right stage
Wait until roots show at the drainage holes or the cutting resists a gentle tug and is putting out fresh tip growth. That’s often 6 to 8 weeks after cutting, sometimes longer in cool rooms.
Tip the whole pot out, tease the cuttings apart and give each its own 4 inch pot of gritty potting mix. Move up to a 6 to 8 inch pot once roots fill that one.
12. Harden the new plant gradually
Give young plants 7 to 10 days of increasing outdoor time, starting with 2 hours of morning sun and working up to a full day. Do it after your last spring frost, or in early fall at least 8 weeks before the first frost.
Pale, scorched patches after a sunny afternoon mean you moved too fast. Step back a day and keep going.
Choose and prepare rosemary cutting material
Shrubby herbs such as rosemary are usually propagated from softwood cuttings in spring and early summer or semi-ripe cuttings later in summer, as the RHS guide to propagating herbs describes. Soft tips root faster but wilt easily; semi-ripe stems are slower but forgiving.
Because rooting runs for weeks, a short log keeps you honest. One line per check is enough.
| Cutting day | Variety, soft or semi-ripe, number taken, hormone or not |
| Week 1 to 3 | Tips upright? Any mold, black stems? |
| Week 4 | First gentle tug, roots at the drainage holes? |
| Week 6 to 8 | New tip growth, date potted on, pot size |
| Hardening off | Start date, last frost date, any leaf scorch |
If you’re also moving house or relocating a big pot of rosemary, take cuttings a few weeks beforehand as insurance. Large, old plants don’t always settle after moving an established container garden, and a pot of rooting stems travels easily.
Control moisture, light and rooting conditions
The toughest setup is a cool, dim house in fall, which is exactly when many people take semi-ripe cuttings. Below about 60°F, rooting slows to 10 weeks or more and the mix stays wet for days. A seedling heat mat set under the pot, usually $15 to $30, brings the mix up to rooting temperature.
Water with a narrow-spout can at the edge of the pot, not over the leaves. Wet foliage under a cover is how gray mold starts.
Tips still upright and green at week 3? Then conditions are right. Leave it.
Recognize real root establishment
Green doesn’t mean rooted. Rosemary stems can stay fresh for weeks on stored water alone, so color tells you very little.
Real roots show up in three ways: white root tips at the drainage holes, firm resistance to a light tug, and new, brighter green growth at the tip. Wait for at least two of the three before potting on.
A cutting that browns from the tip down after week 4 has failed. Remove it so it doesn’t hold extra moisture in the pot.
Move the new rosemary plant into independent growth
Rosemary is reliably winter-hardy outdoors in about USDA zones 8 to 10, with hardier varieties like ‘Arp’ often surviving zone 7. In colder areas, keep first-year plants in pots and bring them into a bright, cool spot around 40 to 55°F for winter.
Outdoors, a young plant wants 6 to 8 hours of sun and fast-draining soil. Water when the top inch is dry, and expect it to fill an 8 to 12 inch pot within a year. From then on, the care in rosemary in pots takes over. Rosemary is not toxic to cats or dogs, according to the ASPCA.
Rosemary has to be coaxed into making roots. Other plants grow them while still attached to the parent, and that’s why propagating strawberry runners feels almost effortless by comparison.
FAQ
What should I know before planning rosemary from cuttings?
Plan on 6 to 8 weeks before a cutting is ready for its own pot, plus a few weeks to grow on. Late spring and mid to late summer are the best times to cut. Pick a spot that stays 65 to 75°F so the pot never has to move.
How much space does rosemary from cuttings need?
Very little at first: a 4 inch pot holds 3 to 5 cuttings while they root. Each rooted plant then needs its own 4 inch pot, moving to 6 to 8 inches and later 12 inches or more. Upright varieties in the ground can reach 3 to 4 feet tall in warm zones.
What is the simplest way to start rosemary from cuttings?
Take five 4 to 6 inch soft tips in late spring, strip the bottom 2 inches and push them into a 4 inch pot of half potting mix, half perlite. Water once, set it in bright indirect light and leave it alone for 4 weeks before checking.
What common mistakes should I avoid with rosemary from cuttings?
Overwatering is the big one, followed by tugging cuttings every few days and using old woody stems. Rooting in heavy garden soil or in a pot without drainage also leads to rot. Give it 4 weeks before you judge anything.
How do I maintain rosemary from cuttings over time?
Once rooted, pinch the tips when the plant reaches about 6 inches to encourage branching. Water when the top inch dries, and pot up when roots circle the pot. If new growth turns soft and yellow, the mix is staying too wet.
When should I get local or expert advice about rosemary from cuttings?
Ask your county Extension office if every batch rots in well-drained mix, or if the parent shows root rot or leaf spots. For deciding when to plant out, go by your own last and first frost dates and hardiness zone, since those vary by weeks and zones across the US.
Final thoughts
Rosemary cuttings reward people who can leave a pot alone. Get the mix gritty, water lightly, and keep it somewhere warm. After that, the log tells you when it’s actually time to act.
Next time the parent plant has soft new tips, take five, set them in one labeled pot and mark a date 4 weeks out for your first gentle check.
Last update on 2026-10-03 / Affiliate links / Images from Amazon Product Advertising API