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Blazing Star, also known as Liatris, is a popular perennial plant admired for its tall, spiky purple flowers. Over time, these plants can become crowded, leading to reduced flowering and health. Knowing when and how to divide Blazing Star clumps is essential for maintaining a vibrant garden.
Why Divide Blazing Star Clumps?
Dividing Blazing Star helps rejuvenate the plant, promotes healthier growth, and encourages more abundant blooms. It also prevents the plant from becoming overly crowded, which can lead to disease and pest issues.
Best Times to Divide Blazing Star
Early Spring
Early spring, just as new growth begins to emerge, is an ideal time to divide Blazing Star. This allows the plant to establish new roots during the active growing season.
Fall
Fall, after the flowering season has ended, is another suitable time. Dividing in fall gives the plant time to settle before winter dormancy and promotes vigorous growth in the following spring.
Methods for Dividing Blazing Star
Division by Digging
Use a garden fork or spade to carefully dig around the clump, lifting it from the soil. Gently shake off excess soil and use a sharp knife or garden shears to divide the clump into smaller sections, each with roots and shoots.
Dividing by Sectioning
For smaller clumps, you can carefully separate individual sections by hand. Ensure each section has enough roots and at least one healthy shoot to establish itself in its new location.
Steps to Successfully Divide and Replant
- Choose the right time, either early spring or fall.
- Water the plant thoroughly a day before dividing.
- Carefully dig around the clump to preserve roots.
- Divide the clump into sections with clean cuts.
- Replant each division at the same depth as before.
- Water thoroughly after replanting and mulch to retain moisture.
With proper timing and technique, dividing Blazing Star can lead to a healthier, more prolific garden display. Regular division every few years keeps your plants vigorous and thriving.