Updated: Jan 9, 2021
There are so many reasons to add these beautiful showstoppers to your garden. For starters, they make beautiful cut flowers, they're easy to grow and they come in about every shape, size and colour that you can imagine. Every summer we enjoy fresh cut dahlias throughout our home and set up a little roadside stand for the neighbours. The cost is minimal to grow them and it's an easy way to add a little income to your homestead.
How to grow dahlias
Dahlias are easiest to start from tubers. Plant 9-12 inches apart, in a sunny location and after the last frost. Dahlias prefer fertile, well drained soil. Depending on your soil type, it's usually a good idea to incorporate some peat moss or bone meal into your soil before planting. Dahlia tubers are easily susceptible to rot so no need to start watering your tubers until after the first sprouts begin to come up. Also avoid mulching around your dahlias as they prefer to have their root systems somewhat exposed. You can begin fertilizing 3-4 weeks after your tubers begin to sprout with a low nitrogen fertilizer.
How to store dahlias
Here in Canada temperatures often drop below zero in the winter so we dig up our tubers each fall and store them in paper bags over the winter. If you live in a warmer climate, you can get away with leaving them in the ground over winter!
There you have it! Everything you need to know to fill your home and garden with beautiful blooms all summer long! I must warn you though... collecting all the dahlia species can become slightly addicting! I'm already shopping for more tubers to plant in the spring.