To grow German thyme well, plant it in full sun with fast-draining soil and give it very little water. This cold-hardy type of Thymus vulgaris survives tough winters better than most thyme types you can buy. It offers a moderate, all-purpose flavor that works in almost any dish you cook. If you want a thyme that lasts through hard frosts and still tastes great, this is the one to plant.
I started growing German thyme after losing two English thyme plants to harsh zone 5 winters in a row. The German type came back strong the next spring without any special protection at all. In my experience, it handles cold far better than English thyme while still giving you plenty of flavor for your kitchen. Its compact growth habit made it a perfect fit for the front of my raised herb bed where other types had failed.
German winter thyme stands out from other popular thyme varieties because of this cold tolerance. It returns with confidence in zone 5 and can push into zone 4 with good mulch protection. English thyme brings a stronger flavor that works well with red meats. French thyme has a more subtle taste that pairs with seafood. German thyme sits in the middle with a balanced flavor that handles just about everything. If you want to grow German thyme as your one all-purpose herb, it is the best pick for cold climates.
Your German thyme needs 6 to 8 hours of direct sun each day. Pick a south-facing spot in your garden if you can. The soil should drain fast since thyme roots rot in wet ground. Mix in some coarse sand or perlite if your native soil holds too much moisture. A raised bed or a mound gives you even better drainage and keeps your plant happy through rainy stretches. You want your roots to dry out between waterings since that mimics the rocky soil thyme grows in wild.
Good German thyme care includes light watering and regular pruning. Water your plant only when the top inch of soil feels dry to your touch. In most climates you won't need to water more than once a week during summer. Cut your thyme back by about one third after it flowers each year. This trim keeps the plant from going woody in the center and pushes fresh green growth from the base. In my experience, a good trim right after bloom makes the biggest difference in how your plant looks all season.
Space your German thyme plants 8 to 12 inches (20 to 30 cm) apart so air can flow between them. Good air flow prevents the fungal problems that hit thyme in humid weather. Use a thin layer of light-colored gravel as mulch around your plants instead of bark or wood chips. Gravel keeps the crown dry and reflects warmth up to the lower leaves. Skip organic mulches that hold moisture against the stems because they invite rot during wet months.
Plan to divide your German thyme every 3 years to keep it healthy and productive. After a few years, the center of the plant goes woody and stops making new leaves. Dig the whole plant up in early spring and pull apart the outer sections that still have green growth. Replant those fresh pieces at the same spacing and water them in once. You get brand new plants for free and your thyme bed stays full and productive for years to come. This simple step is the key to keeping your German thyme going strong over the long run. Your garden will thank you for the effort every time you snip a fresh sprig for dinner.
Read the full article: Thyme Plant: How to Grow and Care for It
