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Russian Sage (Perovskia atriplicifolia) is a popular perennial known for its aromatic gray-green foliage and tall spikes of lavender-blue flowers. It is a hardy plant that adds texture and color to gardens, especially in sunny locations. Proper division of Russian Sage helps maintain its health, encourages vigorous growth, and prevents it from becoming too woody or overgrown.
When to Divide Russian Sage
The best time to divide Russian Sage is in early spring or late fall. Dividing during these periods allows the plant to recover and establish new roots before the peak growing season or winter dormancy. Avoid dividing during the heat of summer, as this can stress the plant and hinder recovery.
Early Spring
Dividing Russian Sage in early spring, just as new growth begins, encourages fresh, vigorous growth throughout the season. This timing allows you to shape the plant and remove any old or woody stems that have become less productive.
Late Fall
Late fall, after the plant has finished blooming and before the first frost, is another suitable time. Dividing at this time helps the plant recover during winter and prepares it for a strong start in spring.
Techniques for Dividing Russian Sage
Dividing Russian Sage involves careful preparation and technique to ensure successful propagation. Follow these steps for best results:
- Prepare: Water the plant thoroughly a day before dividing to reduce stress.
- Dig: Use a garden fork or spade to gently lift the entire plant from the ground.
- Divide: Carefully separate the clump into smaller sections, each with roots and foliage. Use a sharp knife or pruning saw if necessary.
- Replant: Plant the divisions at the same depth as the original, spacing them appropriately for growth.
- Water: After planting, water thoroughly to settle the soil and eliminate air pockets.
Ensure each division has enough roots and foliage to establish quickly. Remove any damaged or diseased parts to promote healthy growth.
Caring for Divided Russian Sage
After dividing, Russian Sage requires proper care to thrive. Keep the soil well-drained and avoid overwatering. Mulching around the plant can help retain moisture and suppress weeds. Prune back the plant after the first frost to encourage bushier growth in the following season.
Dividing Russian Sage every few years keeps the plant vigorous and prevents it from becoming too woody. Regular division also allows you to propagate new plants for sharing or expanding your garden.