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Foxglove (Digitalis purpurea) is a popular perennial plant admired for its tall spikes of tubular flowers. Dividing foxglove can help rejuvenate the plant and promote healthier growth, but it must be done carefully to avoid damaging the roots. Proper division ensures that the plant continues to thrive and bloom for many seasons.
When Is the Best Time to Divide Foxglove?
The optimal time to divide foxglove is in early spring or late fall. During these periods, the plant is either coming out of dormancy or preparing to enter it, which minimizes stress. Avoid dividing during the peak flowering period, typically in early summer, as this can disrupt blooming.
Tools and Materials Needed
- Sharp garden spade or knife
- Garden gloves
- Pruning shears
- Watering can
- New planting pots or prepared garden beds
- Rooting hormone (optional)
Steps to Divide Foxglove
Follow these steps carefully to divide foxglove without damaging its roots:
1. Prepare the Plant
Water the plant thoroughly a day before dividing. This softens the soil and reduces stress on the roots during extraction.
2. Dig Around the Plant
Use a spade or garden fork to gently loosen the soil around the base of the foxglove. Carefully dig a wide circle to avoid damaging the roots.
3. Lift the Plant
Gently lift the entire clump from the ground, supporting the root ball with your hands or a garden fork. Be cautious to prevent breaking or tearing the roots.
4. Divide the Root Clump
Use a sharp knife or pruning shears to cut the root ball into sections. Each section should have healthy roots and several shoots. If using a knife, dip it in water or a rooting hormone to facilitate clean cuts.
5. Plant the Divisions
Plant each division in prepared soil or pots filled with well-draining soil. Water thoroughly after planting to help establish the roots.
Aftercare Tips
Ensure the divided foxglove receives adequate water and partial shade during the first few weeks. Mulching around the plants helps retain moisture and suppress weeds. Avoid fertilizing immediately after dividing; wait until the plants show signs of new growth.
Common Mistakes to Avoid
- Dividing during the flowering season
- Using dull or unclean tools
- Pulling or tearing roots instead of cutting
- Planting divisions too deeply or too shallowly
- Neglecting to water after division
With proper timing, tools, and technique, dividing foxglove can be a rewarding process that keeps your garden lively and healthy for years to come.