Seasonal Maintenance Guide
- Cut back ornamental grasses to 4-6 inches in late March
- Prune evergreens for shape after last frost
- Refresh crushed shell or gravel in pathways
- Check irrigation system and replace corroded parts
- Fertilize lightly with slow-release organic fertilizer
- Water deeply during dry periods, less often in coastal areas
- Deadhead black-eyed Susans and Russian sage for continuous blooms
- Monitor for salt damage after storms in coastal locations
- Rinse foliage after major salt spray events
- Keep hardscape surfaces clean of sand and debris
- Leave grass plumes standing for winter interest
- Plant new additions in September-October
- Reduce watering as temperatures cool
- Clean drainage systems before winter
- Enjoy golden fall color from switchgrass
- Minimal maintenance during mild Delaware winters
- Protect tender plants during occasional cold snaps
- Plan spring projects and order plants
- Enjoy evergreen structure with little intervention
- Inspect for salt damage and plan replacements if needed