Growing Conditions · England
South Gloucestershire Growing Conditions
Soil, hardiness and a planting calendar for South Gloucestershire — across 8 postcode districts.
Soil
A workable loam-to-clay that drains slowly, so water can pond after heavy rain and roots sit cold in winter. Most shrubs and perennials do well once established; add grit and compost for vegetables, and choose damp-tolerant plants for low spots. Landscaping projects should plan for falls, French drains or soakaways so paving and lawns shed water.
Winter hardiness
Rated RHS H4 — the UK mainstream, with winter lows near -6°C. The vast majority of garden plants, perennials, shrubs and trees come through a normal winter unprotected; only genuinely tender exotics need a warm corner or cover.
Rain & growing season
Moderate rainfall (877mm a year) — enough for most gardens without heavy irrigation, though pots and new plantings need watering in summer. A typical UK growing season (~338 frost-free days), with the last frosts clearing through spring and first frosts returning in autumn.
Planting Calendar for South Gloucestershire
Timings are guided by this area's ~338 frost-free days and RHS H4 hardiness; adjust for a cold or sheltered garden.
Conditions by Postcode
| Postcode | Soil | Hardiness | Rainfall |
|---|---|---|---|
| BS30 | loamy-clay with impeded drainage | RHS H4 | 882mm |
| BS32 | heavy, base-rich clay loam that sits wet in winter | RHS H4 | 882mm |
| BS34 | heavy, base-rich clay loam that sits wet in winter | RHS H4 | 882mm |
| BS35 | free-draining, fertile near-neutral loam | RHS H4 | 882mm |
| BS36 | acid clay loam, seasonally wet | RHS H4 | 882mm |
| BS37 | loamy-clay with impeded drainage | RHS H4 | 882mm |
| GL13 | loamy-clay with impeded drainage | RHS H4 | 843mm |
| SN14 | alkaline clay loam with impeded drainage | RHS H4 | 882mm |
Planning work in South Gloucestershire?
Browse Companies House-registered landscaping businesses in the area.
