When to plant rosemary

Half-hardy · light frost OK

Rosemaryis keyed to your local frost dates. The offsets below hold anywhere — but the calendar dates they land on don’t. Enter your ZIP for dates tuned to your city’s nearest NOAA station.

Rosemary planting timeline

Start indoors

10–12 wks before

Transplant out

1–2 wks after

-13 wksLAST SPRING FROST+3 wks

Perennial: plant once and it comes back for years. Many types crop lightly the first season and reach full harvest by year two or three.

Half-hardy: tolerates a light frost but not a hard freeze — plant out around the last frost date.

Shop rosemary seeds →AFFILIATE

Rosemary planting FAQ

When should I start rosemary seeds indoors?

Start rosemary indoors 10–12 weeks before the last spring frost, so seedlings are ready to plant out once the weather warms.

Can I direct sow rosemary?

Rosemary is usually started indoors and transplanted rather than direct sown, for a reliable stand.

Is rosemary frost-hardy?

Half-hardy: tolerates a light frost but not a hard freeze — plant out around the last frost date.

Planting reminders

Never miss a window in your area

An email when it’s time to start seeds, transplant, and sow — timed to your frost dates. Double opt-in, one-click unsubscribe, no spam.

Other crops

155 more

Acorn Squash Amaranth Anise Apple Apricot Arugula Asparagus Avocado Basil Bay Laurel Beet Bitter Melon Black Currant Blackberry Blueberry Bok Choy Borage Boysenberry Broccoli Brussels Sprouts Bush Bean Butternut Squash Cabbage Cantaloupe Caraway Cardoon Carrot Cassava Catnip Cauliflower Celeriac Celery Chayote Cherry Chervil Chives Cilantro Claytonia (Miner's Lettuce)Collards Coriander (Seed)Corn Salad (Mâche)Cowpea (Southern Pea)Cranberry Cucumber Delicata Squash Dill Edamame Eggplant Elderberry Endive Epazote Escarole Fennel (Bulb)Fenugreek Fig French Tarragon Gai Lan (Chinese Broccoli)Garlic Garlic Chives German Chamomile Globe Artichoke Goji Berry Gooseberry Gourd Grape Ground Cherry Hardy Kiwi Honeyberry (Haskap)Honeydew Melon Horseradish Hot Pepper Hyssop Jerusalem Artichoke (Sunchoke)Kale Kiwi Kohlrabi Lavender Leek Lemon Lemon Balm Lemongrass Lettuce Lima Bean Lime Lovage Luffa Malabar Spinach Marjoram Mint Mizuna Molokhia Mulberry Muskmelon Mustard Greens Napa Cabbage Nectarine New Zealand Spinach Okra Olive Onion Orach Orange Oregano Parsley Parsnip Pawpaw Peach Pear Peas Pepper Persimmon Plum Pole Bean Pomegranate Popcorn Potato Pumpkin Purslane Quince Radicchio Radish Raspberry Red Currant Rhubarb Runner Bean Rutabaga Sage Salsify Scallion (Green Onion)Scorzonera Shallot Shiso (Perilla)Shungiku (Edible Chrysanthemum)Sorrel Spaghetti Squash Spinach Stevia Strawberry Summer Savory Summer Squash Sunflower Sweet Corn Sweet Potato Swiss Chard Tatsoi Thyme Tomatillo Tomato Turnip Watercress Watermelon Winter Savory Winter Squash Yardlong Bean Zucchini

Planting windows are offsets from your local 1991–2020 NOAA frost normals. How we compute this.