Essential Garden Aftercare: Complete Maintenance Guide for SE London Gardens

After a garden transformation, the first year of aftercare is critical. Newly planted schemes need consistent watering, mulching and monitoring to establish properly. This guide covers everything you need to know to keep your South East London garden thriving year-round.

The First 6 Weeks: Establishment Care

New planting requires more attention than established plants. Water deeply every 2–3 days in the first 6 weeks, especially during dry spells. Check soil moisture 5cm below the surface — if it feels dry, water thoroughly. Avoid light, frequent watering which encourages shallow roots.

Seasonal Maintenance Calendar

Spring (March–May)

Apply a balanced slow-release fertiliser to borders. Prune any winter-damaged growth. Begin regular lawn mowing as growth resumes. Check irrigation systems before the dry season begins.

Summer (June–August)

Water deeply during dry spells — established plants need less frequent but deeper watering. Deadhead flowering plants to extend the season. Keep an eye out for pests and treat early. Mow lawns weekly at the correct height.

Autumn (September–November)

Apply an autumn lawn feed. Clear fallen leaves regularly — they can smother lawns and borders. Plant spring bulbs. Cut back perennials that have finished for the season. Apply a 5–7cm layer of bark mulch to borders to protect roots over winter.

Winter (December–February)

Protect tender plants with fleece during frost. Drain irrigation systems to prevent frost damage. Plan any changes or additions for the coming year. Order plants and materials early to secure spring availability.

When to Call a Professional

If plants are struggling despite correct care, if pests or disease are spreading, or if you simply want to hand over the maintenance to a consistent professional team — we offer structured maintenance agreements across Greenwich, Blackheath, Lewisham, Brockley and Nunhead.