Seasonal Maintenance Guide
- Remove winter mulch in mid-April as temperatures moderate
- Prune lavender lightly before new growth, removing winter damage
- Cut back Russian sage and ornamental grasses to 6 inches
- Improve drainage in beds by adding coarse sand or fine gravel
- Plant new Mediterranean perennials after frost danger in early to mid-May
- Divide overgrown catmint, sedums, and spreading herbs
- Harvest lavender when half-bloomed for peak oil content and fragrance
- Deadhead spent blooms on catmint, salvia, and coreopsis for rebloom
- Water deeply but infrequently, allowing soil to dry between waterings
- Monitor for powdery mildew during humid periods, ensure good air circulation
- Harvest culinary herbs regularly to encourage bushy compact growth
- Mulch with gravel around Mediterranean plants to reflect heat and improve drainage
- Plant spring bulbs like alliums among perennials in October
- Continue light deadheading until first frost
- Cut back spent perennials after frost or leave seed heads for winter interest
- Apply 2-3 inches of mulch after ground freezes in late November
- Bring tender rosemary indoors to sunny location before frost
- Clean up fallen leaves that could smother low-growing herbs
- Monitor drainage during winter rains and address any standing water
- Check winter mulch and replenish if needed after heavy rains
- Care for indoor rosemary with bright light and minimal water
- Plan new gravel garden areas and drainage improvements
- Order humidity-tolerant Mediterranean varieties for spring
- Prune woody herbs lightly indoors for winter culinary use