Seasonal Maintenance Guide
- Remove winter mulch in late May or early June after final frost
- Cut back dead perennial foliage when new growth starts
- Plant new hardy perennials in early June to maximize growing season
- Divide established catmint and salvia if overcrowded
- Refresh gravel surfaces and repair winter damage
- Start drip irrigation in early June after soil warms
- Water established gardens deeply 1-2 times weekly in heat
- Deadhead catmint, salvia, and perennials for extended bloom
- Shear thyme lightly after first bloom flush
- Monitor new plantings closely and water more frequently
- Harvest herbs regularly for kitchen use
- Enjoy peak garden beauty in July and early August
- Reduce watering in September as temperatures cool
- Final deep watering before freeze (late September)
- Leave perennial foliage standing for winter protection
- Drain and winterize water features by early October
- Clean and winterize irrigation systems
- Remove annual plantings after killing frost
- No maintenance required October through May
- Remove heavy snow from evergreen conifers to prevent damage
- Avoid walking on frozen plants and pathways
- Enjoy structural hardscaping and winter garden bones
- Plan next season and review plant performance
- Order plants and supplies for spring planting