Sowing Calendar for January 2026: Best Days for Seedlings and Houseplants.

According to ТСН: Although there is still plenty of time before planting in the open ground, January is the perfect moment to work with seedlings, houseplants, and the first sowings in greenhouses. Windowsills and greenhouses are already turning into launching pads for the new season.

Gardeners are ramping up their activities: checking inventory, selecting seeds, preparing soil mixtures, and starting early sowings. It’s important to remember that all preparatory work done in January will influence future results. To determine the best days for working with plants, one can use the lunar sowing calendar.

Sowing Calendar for January 2026: Favorable Days

In January, it’s worth paying attention to the periods of the waxing Moon, as plants adapt faster, grow more actively, and endure transplants better during these days.

The most favorable dates for sowing and care in January 2026 will be: January 4, 5, 9, 12, 13, 22, 23, 27, 28, and 31.

On these days, you can confidently sow vegetable seedlings, transplant house flowers, root cuttings, care for decorative plants in greenhouses, and start growing greens on the windowsill.

What and When to Sow in January 2026

Many crops adapt well to January sowing if you adhere to the correct timings and conditions for growing:

• Root celery, leek, longflower – January 1-3;

• Greens, salads, spinach, aromatic herbs – January 2, 3, 4-7, 17-20, 27-28;

• Tomatoes, peppers, eggplants, physalis – January 4-5, 12-13, 21-23, 31;

• House and decorative flowers – January 6, 7, 12, 13, 21-23;

• Root vegetables and bulb crops – January 17-20;

• Legumes (peas, beans) – January 19-20 (for early greenhouse growing);

• Strawberries and strawberries for seedlings – January 27-28;

• Vegetables for seed testing (checking the viability of tomatoes, peppers, eggplants) – January 9.

Besides sowing, January is also ideal for refreshing the soil for houseplants, preparing lighting for seedlings, and checking seed quality before the active season.

Unfavorable Days for Planting in January 2026

There are days when sowing and transplanting should definitely be postponed. These are the days of the New Moon, full moons, and transitions of the Moon between signs.

Unfavorable days for working with plants in January will be: January 8, 10, 11, 14-16, 24-26, 29, and 30.

On these days, it is advisable to ensure the plants are undisturbed and to focus on preparatory work, such as mixing soils, selecting seeds, inspecting inventory, planning greenhouse plantings, and future season stages.

January has become an important month for gardeners, as this stage lays the foundation for the future harvest. Proper preparation and adherence to sowing timing recommendations will help maximize the potential of plants in the new season. Experts advise not to delay preparatory measures, as their success depends on the overall success of spring.