Seasonal Maintenance Guide
- Remove winter mulch after last frost (late May to early June)
- Cut back dead perennial growth once new shoots emerge
- Apply compost and slow-release fertilizer to beds
- Plant after last frost date (May 15-June 15 depending on location)
- Divide and transplant overgrown perennials in early spring
- Prune roses after buds swell but before leaves unfurl
- Water deeply 2-3 times weekly during dry periods
- Deadhead spent blooms to encourage continuous flowering
- Stake tall perennials like delphiniums early in season
- Monitor for aphids and Japanese beetles during peak growth
- Add supplemental water during intense heat and wind
- Enjoy peak bloom period and harvest flowers for arrangements
- Plant spring bulbs in September before ground freezes
- Divide and transplant perennials in early fall (August-September)
- Continue watering until ground freezes
- Cut back perennials after first hard freeze
- Apply 4-6 inches of mulch for winter protection
- Protect tender roses with wire cages filled with mulch
- Monitor snow cover and add additional mulch if exposed
- Plan next season and order seeds by February
- Clean and sharpen garden tools during long winter
- Build or repair structures during frozen ground period
- Study cottage garden designs and Montana-hardy plant options
- No watering needed - natural snow provides moisture