When is the best time to plant sweet potato flowers?

Sweet potato flower is also called dahlia. It has this vivid name because its tuberous root resembles sweet potato, but it is actually the common dahlia. So when is the best time to plant sweet potato flowers? Let’s learn more about it below.

When is the best time to plant sweet potato flowers?

Sweet potato flowers can be planted in spring when the temperature is above 10 degrees or between 10 degrees. Generally, it is planted between March and April. After planting, it will grow roots directly and then sprout. It will bloom once before the high temperature of summer.

How to plant sweet potato flowers

1. Soil

Dahlias like sandy soil rich in humus. When planting potted dahlias, pay attention to soil preparation. The ratio of garden soil, leaf mold, and river sand is four to four to two. You can add leaf mold and river sand appropriately to prevent water accumulation in the potting soil.

2. Planting

Use a shovel to dig a hole and plant the sweet potato flower bulbs in it. Cover with a thin layer of soil until the bulbs are completely covered, and then water thoroughly.

3. Maintenance

When the sweet potato flowers are just planted, place them in a cool and ventilated place for maintenance. After they start to grow leaves and before flower buds appear, you can water them with Huaduo general fertilizer for about half a month. After the flower buds appear, add phosphorus and potassium fertilizers. You can use 500 times potassium dihydrogen phosphate and pour it into the potting soil when watering.

4. Picking

Sweet potato flowers bloom around June. After flowering, the branches can be pruned in time to keep the plant height at around 30 cm. The branches can be broken directly, and then the broken branches can be cut off after the wound shrinks to avoid root rot due to rain.

5. Repotting

In order to make potted dahlias bloom every year, it is best to repot them every year, or at most every two years. This can effectively promote flowering every year and make the flowers large and colorful. The best time to repot is in February or March. When repotting in early spring, do not plant the tubers too deep, just one centimeter below the soil.

That’s it