Dividing certain perennial plants is essential to keep your garden flourishing year after year.
While most perennials return with little effort, some can become overcrowded, resulting in fewer flowers and making them susceptible to pests and diseases.
Expert gardeners recommend a routine division every few years to sustain their beauty and vitality.
Here’s a fresh perspective on some of the most important perennials that will thrive through strategic division.
Iris
Iris varieties like ‘Albo Variegata’ need to be divided regularly to thrive and avoid the pitfalls of overcrowding.
When left undivided, they risk diminished blooms and increased susceptibility to root rot.
- Hardiness Zones: 3 to 10
- Size: Typically 34 inches tall and 18 inches wide.
- Light and Soil Requirements: Prefers full sun to partial shade in well-drained, average soil.
Coneflowers
Echinacea species benefit from division every four to five years.
This practice promotes healthier growth and supports the production of new plants.
Without timely division, they may become too dense, hampering blooming and attracting unwanted pests.
- Hardiness Zones: 4 to 9
- Size: Usually grows 22 to 24 inches tall and spans 18 to 20 inches wide.
- Light and Soil Requirements: Thrives in full sun and adjusts well to a range of soil conditions.
Lamb’s Ear
Famed for its beautiful grey-green leaves, lamb’s ear can fall victim to rot when its mats get too crowded.
To safeguard its health, plan on dividing it every two to three years.
- Hardiness Zones: 4 to 8
- Size: Grows around 5 to 6 inches tall, spreading 12 to 24 inches wide.
- Light and Soil Requirements: Enjoys full sun and loamy, well-drained soil.
This compilation underscores the importance of regularly dividing perennials.
Doing so not only promotes their health but also ensures a garden filled with lush growth and vibrant blooms throughout the seasons.
Source: Marthastewart