Starting dahlias from tubers in January and February
Starting dahlias from tubers in January and February is a great way to get a head start on the growing season, especially in climates where winters are long and cold. Here are some steps to successfully start dahlias from tubers during these months:
Choose Healthy Tubers: Select tubers that are firm and plump, without any signs of rot or damage. Each tuber should have at least one “eye” or growth point from which the new plant will sprout.
Prepare the Planting Medium: Use a well-draining potting compost mix such as John Innes number 1 in a tray or pot. The soil should be moist but not waterlogged.
Plant the Tubers: Lay the tubers horizontally in the soil, with the eyes facing up. Cover them with about 1-2 inches of soil. The top of the tuber should be about an inch below the soil surface.
Provide Warmth and Light: Place the tray or pots in a warm, bright location. Dahlias need warmth to start growing, so a temperature of around 60-70°F (15-21°C) is ideal. If natural light is limited, consider using grow lights.
Water Sparingly: Water the tubers lightly after planting and then only when the soil starts to dry out. Over-watering can cause the tubers to rot.
Watch for Sprouts: In a few weeks, you should see sprouts emerging from the soil. Once they appear, ensure they receive plenty of light.
Transplanting: Once the danger of frost has passed and the sprouts are a few inches tall, you can transplant them to their final location in the garden.
Gradual Acclimatisation: Before transplanting them outdoors, acclimate the dahlia plants to outdoor conditions by gradually increasing their exposure to outdoor temperatures and sunlight.
Remember, starting dahlias indoors requires patience and attention to detail, but it’s a
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