Cold Hardy Herbs - Growing Herbs That Survive Winter

Cold-hardy herbs, such as chives, mint, oregano, parsley, sage and thyme, can often survive cold-winter temperatures while continuing to produce flavorful foliage, as long as they are provided with some protection or grown indoors.

Can you grow a herb garden in winter?

Many cooks grow herbs indoors during the winter when it's too cold outside or too wet to dig in the dirt, but you can grow herbs inside any time of year. Indoor herbs prefer the same temperatures that most people do—around 65 to 70 degrees F—so if you're comfortable, they probably are.

What herbs will come back year after year?

Perennial herbs like sage, thyme, lavender, chives and mint do not need to be replanted each year. But annuals like basil and cilantro will not survive an Iowa winter – so they must be replanted each spring. To make matters more confusing, dill, fennel, and a few other annual herbs reseed each year.

How cold can herbs tolerate?

Keep herbs in rooms that have at least a 65 to 70°F day and 55 to 60°F night temperature regimes. Although most herbs can survive temperatures that are in the mid to low 40s, others cannot; for example, basil (Ocimum basilicum) cannot survive temperatures lower than 50°F.

What herbs will survive winter?

Cold-hardy herbs, such as chives, mint, oregano, parsley, sage and thyme, can often survive cold-winter temperatures while continuing to produce flavorful foliage, as long as they are provided with some protection or grown indoors.

How do you keep supermarket herbs alive?

How to Keep Supermarket Herbs Alive: 5 Top Tips

Choose the right plants.
Repot them with fresh potting mix and larger pots.
Split up overcrowded plants.
Water regularly.
Harvest them correctly.

What herbs grow outside all year?

Some herbs can live outside all year once they are established. Try mint, oregano, rosemary, thyme and sage. These can be sown indoors as with the tender herbs, or sow them outdoors in May in containers. Delay buying herb plants from garden centres until the weather warms up in late spring.

What herbs spread?

Some herbs become invasive, crowd other plants, and even take over a garden. Tansy (shown), catnip, comfrey, horseradish, lemon balm, hops, artemisia, all kinds of mint, and some other herbs spread aggressively via underground runners unless you control them.

Does basil regrow every year?

Also known as common or sweet basil, basil (U.S. Department of Agriculture plant hardiness zones 2 through 11 for outdoor gardens) is a true annual, which means it needs to be replanted each season. In most circumstances, it does not grow back after a year. ... Basil plants are sensitive to cold weather and frost.

Can herbs stay outside in winter?

Many winter herbs thrive easily in the Great Outdoors in Zones 6 and warmer. The list includes sage, common thyme, oregano, chives, chamomile, mints, lavender and tarragon. ... In warmer zones, gardeners usually plant winter herbs—the ones that thrive in cooler weather—during fall.

Will Frost kill my herbs?

Annual herbs will be killed with the first hard frost in the fall. Remove dead plants in order to minimize overwintering insects and disease problems. Some frost sensitive herbs, such as basil and geranium, can be brought indoors for the winter.

Can you leave Basil outside in winter?

You can try to keep basil through the winter. However, sweet basil is meant to live its life cycle within one year and thereafter go to seed. At the end of the season, though, you can try to keep it alive by moving potted basil indoors.

Can Rosemary survive outside in the winter?

If you live in USDA plant hardiness zones 7 or below, rosemary will only survive if you bring it indoors before the arrival of freezing temperatures. On the other hand, if your growing zone is at least zone 8, you can grow rosemary outdoors year round with protection during the chilly months.

Will herbs survive winter in pots?

Just be sure to bring your potted herbs indoors before a hard freeze descends. Once inside, place the potted herb in a sunny window and keep the soil slightly moist. Herbs like rosemary, sage, sweet bay, lemon grass, and lemon verbena do well as winter houseplants or even year-round houseplants given enough light.

Do herbs grow better inside or outside?

You can grow herbs indoors or outdoors depending on your availability. If herbs have drainable potting soil, temperate weather, and lots of sunlight, then they will thrive. That's regardless of if you keep the plants on your windowsill or in a garden.

Can you plant out supermarket herbs?

You can get extra herb plants for free by dividing up pots of supermarket herbs and growing them on. These are mostly raised from seed, with many young plants tightly packed together in each pot. These can be split into several smaller clumps and repotted at any time during the growing season.

Can you plant living herbs from the supermarket?

Absolutely! Supermarket herbs that are sold as sprigs or cuttings (in flat clamshells) can be propagated easily at home if you want to start a few new plants. Woody herbs like basil, rosemary, sage, oregano, thyme, and mint can be rooted in water as long as the cutting is from new green growth.

How do I keep my supermarket basil plant alive?

Give your newly potted plants a generous soaking and place them in a sunny spot, indoors or in a greenhouse, and let them do their thing. They will soon recover, giving you months of fragrant harvests – and four pots for the price of one.

What herbs Cannot be planted together?

You can grow herbs in pots together as long as you remember two rules: avoid mixing those that like plenty of water (such as chives, mint, chervil, coriander, Vietnamese coriander) with those that like a well-drained soil (such as rosemary, thyme, sage, bay, and oregano).

What is the best way to grow herbs outdoors?

Ideally herbs like a sunny, sheltered location with well-drained soil. If you have heavy clay soil then incorporate some coarse grit and organic matter like well-rotted manure or compost to improve drainage. You may also benefit from growing your herbs in a raised bed to ensure sharp drainage.

Where should I plant herbs outside?

Herbs like full sun but will tolerate some shade and don't need fussy attention in the form of fertilizer, nutrients, plant food or even regular watering. If you are a very new gardener, you might want to start your garden from small plants which is even easier than starting seeds.