Seasonal Maintenance Guide
- Remove winter mulch gradually in late May-June as soil thaws
- Cut back perennial stems and remove winter debris
- Divide and transplant perennials in early spring at lower elevations
- Plant new perennials after frost danger passes (late May-June)
- Apply compost and slow-release organic fertilizer
- Apply 2-3 inches of mulch (gravel works well in arid conditions)
- Water deeply but infrequently (1-2 times weekly for most plants)
- Deadhead spent blooms to encourage continued flowering
- Monitor for minimal pests (low humidity reduces most problems)
- Stake taller plants that may catch wind
- Apply supplemental water during extended dry periods
- Enjoy peak bloom period through July-August
- Plant spring bulbs in September at lower elevations
- Continue deadheading until first hard frost (early September)
- Cut back perennials after frost or leave for winter interest
- Divide and transplant perennials in early fall at lower elevations only
- Apply heavy winter mulch (5-6 inches) after ground freezes
- Reduce watering as plants enter dormancy
- Enjoy dramatic winter structure and mountain scenery
- Plan next season garden improvements during long winters
- Order seeds and plants for spring
- Check winter mulch after strong winds
- Provide supplemental water during extended dry periods (monthly)
- Clean and maintain garden tools