Spring Herb Garden Expansion: How to Grow More Herbs This Season

So you started a small herb garden last season — maybe a few pots on the patio, or a little patch by the back door. Good news: spring is the perfect time to turn that modest start into something way more abundant. Dividing established plants, taking stem cuttings, and trying a couple new varieties are all low-cost (often zero-cost) ways to seriously grow what you’ve got. Here’s how I do it.

Divide Perennial Herbs Now

Honestly, this one still kind of amazes me every spring. Chives, mint, oregano, tarragon, and lemon balm all want to be divided every two to three years — and if you skip it, they get woody and crowded and stop producing as well. All you do is dig up the clump, pull or cut it apart into two or three sections with a sharp knife or even just your hands, and replant each piece. That’s it. You’ve just multiplied your plant count for free, and the plants themselves actually perk up and produce more once they’re not fighting each other for space.

Propagate From Stem Cuttings

Rosemary, thyme, sage, mint, and basil all root surprisingly easily from cuttings — I actually tried this last winter with rosemary and couldn’t believe how simple it was. Cut a four to six inch stem just below a leaf node, strip off the lower leaves, and stick it in a glass of water on a sunny windowsill. Change the water every couple of days. You’ll start seeing little roots in one to three weeks, and once they’re about an inch long, pot the cutting in soil. My husband was skeptical the first time I did this with basil, but he stopped doubting me pretty fast.

Succession Sowing for Continuous Harvest

Here’s what trips up a lot of herb gardeners: cilantro and basil bolt — meaning they shoot up and go to seed — fast once summer heat kicks in, and once that happens, leaf production basically stops. The fix is succession sowing, which sounds fancier than it is. Just plant a small batch of seeds every three to four weeks from spring through early summer. That way you’ve always got a young, leafy plant coming into its peak right as the older one starts to fade. This one surprised me when I first tried it — the difference in how much cilantro I actually got to use was pretty significant.

Creating a Dedicated Herb Bed

If you’ve got a little ground space to work with, a dedicated herb bed makes everything easier and way more productive. I set mine up with perennials — rosemary, thyme, chives, and mint in its own contained section because mint will absolutely take over if you let it — toward the back, since they’ll come back year after year. Annuals like basil, cilantro, and dill go up front where they’re easy to reach and replant each season. And skip the tilling. Just layer compost right on top — the no-dig approach keeps the soil structure intact and cuts down on weeds too.

Companion Planting With Herbs

Don’t feel like you have to keep all your herbs in one spot. Some of the most useful ones earn their place scattered throughout the garden. Basil planted near tomatoes actually deters thrips and aphids — I’ve been doing this for three summers now and I’m convinced it helps. Dill and fennel draw in parasitic wasps, which sounds alarming but are actually really good at keeping pest populations down. Chives near roses discourage aphids, and mint is great for deterring both mice and aphids wherever you tuck it in. Think of herbs as pulling double duty: food for you, protection for everything else.

Final Thoughts

Spring division and stem cuttings cost you nothing except maybe twenty minutes of your time, and they can genuinely double or triple what you’re working with before summer even gets going. If you want to push it a little further, pick one new herb variety you’ve never grown and commit to succession sowing your basil or cilantro this year. By August you’ll have more than you can use — and you’ll be giving bundles away to neighbors, which is one of the better problems to have.