Whether you’re starting your garden from scratch or want to amp up this year’s blooms, these plants will quickly fill in any gaps in your yard.
Pro tip: buy seedlings or young plants rather than seeds for an even speedier growing season.
1. Hydrangea
These classic plants are not only low-maintenance—their blooms are known to grow quickly. Hydrangeas can average around 24 inches of growth per year and take around two to three years to fully mature.
2. Cornflower
These vibrant wildflowers are traditionally found in meadows and pastures, making them particularly susceptible to fast growth. Plant them in early spring for summer blooms.
3. Butterfly bush
This butterfly-loving bush features purple cone-shaped blossoms that require minimal care. We suggest introducing a young version of this plant into your garden—it will grow more than two feet per year.
4. Forsythia
With beautiful bright yellow flowers and long branches, forsythia grows about two feet per year. This tall shrub makes for a great privacy border.
5. Crepe myrtle
Crepe myrtle is a quick-growing shrub with a height that makes it more akin to a tree. With more than two feet of growth per year, these pink blooms will brighten your yard all summer long.
6. Cosmos
If you prefer to start your plants from seeds, cosmos are a great pick. They reach full maturity within about two months and will bloom until the first frost.
7. Weigela
This floral bush is a pollinator favourite that will bloom from spring to early summer. It’ll grow about one to two feet every year.
8. Viburnum
This elegant shrub features an array of multi-hued oval leaves and clusters of white flowers.
9. Zinnias
Not only are zinnias one of the fastest growing annuals around—it takes about two months to see blooms from germination—they add a fun pop of colour to your garden.
10. Hosta
These shade-loving perennials will quickly spread out in your garden, filling in any unwanted gaps and blooming in the summer.
