Love Dahlias As Much As We Do? Here's How To Grow Them With Success
Dahlias are available in an almost dizzying selection of colours, sizes, and flower shapes.Â
Here's our step-by-step guide on how to grow dahlias like a pro:
Step 1: Choose a Site
Dahlias need full sun to thrive, so choose a site that receives at least six hours of direct sunlight per day. The soil should be well-draining and rich in organic matter. Dahlias also prefer a pH between 6.0 and 7.5.
Step 2: Prepare the Soil
Before planting your dahlias, prepare the soil by digging in compost or well-rotted manure. This will help improve soil fertility and drainage. You can also add a slow-release fertilizer to the soil to provide nutrients throughout the growing season.
Step 3: Plant the Tubers
Dahlias are typically grown from tubers, which can be planted in the ground in late spring after the danger of frost has passed. Dig a hole that is twice the width of the tuber and about 6 inches deep. Place the tuber in the hole with the “eyes” facing up, and cover it with soil. Space the tubers about 18-24 inches apart.
Step 4: Water and Mulch
Water the dahlias immediately after planting, and then water regularly throughout the growing season. Dahlias need about 1 inch of water per week, either from rainfall or irrigation. To help retain moisture in the soil, add a layer of mulch around the plants.
Step 5: Provide Support
As dahlias grow, they will need support to prevent them from falling over. You can use stakes or cages to provide support for the plants. Insert the stakes or cages into the ground at planting time to avoid damaging the roots later.
Step 6: Pinch and Deadhead
To encourage bushier growth and more blooms, pinch off the top of the plant when it reaches about 12-18 inches tall. This will encourage the plant to produce more branches and flowers. To prolong the blooming period, deadhead the flowers as they fade.
Step 7: Overwintering
In areas with cold winters, dahlias will need to be dug up and stored indoors for the winter. After the first frost, cut back the foliage to about 6 inches and carefully dig up the tubers. Brush off any excess soil and let the tubers dry for a few days. Store the tubers in a cool, dry place such as a basement or garage.
With these simple steps, you can successfully grow beautiful dahlias in your garden. With their stunning colours and variety of shapes and sizes, dahlias are sure to add a splash of beauty to any garden.
Nadine