Seasonal Maintenance Guide
- Remove winter mulch gradually in April as soil thaws
- Cut back perennial stems and ornamental grasses
- Divide and transplant overgrown perennials in early spring
- Plant new perennials after danger of frost passes (late May)
- Apply compost and organic fertilizer to beds
- Mulch beds with 2-3 inches after soil warms
- Deadhead spent blooms regularly to encourage rebloom
- Water deeply during dry spells (1-2 times weekly)
- Stake tall perennials like delphiniums and phlox
- Monitor for powdery mildew on phlox and treat promptly
- Cut back early bloomers like catmint for fall rebloom
- Harvest and dry flowers for winter arrangements
- Plant spring bulbs like tulips and daffodils in September-October
- Divide and transplant perennials in early fall
- Plant hardy mums and asters for late season color
- Continue deadheading until hard frost
- Cut back perennials after frost or leave for winter interest
- Apply heavy winter mulch (4-6 inches) after ground freezes
- Enjoy seedheads and evergreen structure through snow
- Plan next season garden improvements
- Order seeds and plants from catalogs
- Check winter mulch and replenish if blown away
- Prune deciduous shrubs and roses in late winter (March)
- Clean and maintain garden tools indoors