Growing Conditions · Scotland

Inverclyde Growing Conditions

Soil, hardiness and a planting calendar for Inverclyde — across 6 postcode districts.

RHS H4 1489mm rain

Winter hardiness

Rated RHS H4 — the UK mainstream, with winter lows near -7°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

A very wet climate (1489mm a year) — drainage is the priority, moisture-loving planting thrives, and paving and lawns must be laid to drain. A long growing season (~344 frost-free days) — you can sow earlier and harvest later than most of the country, and squeeze in a second late sowing.

Planting Calendar for Inverclyde

Sow indoors
January–February
Plant out
early May
Harvest
June–November

The long season allows a second sowing of quick crops in July.

Timings are guided by this area's ~344 frost-free days and RHS H4 hardiness; adjust for a cold or sheltered garden.

Conditions by Postcode

PostcodeSoil HardinessRainfall
PA11 RHS H4 1376mm
PA13 RHS H4 1512mm
PA14 RHS H4 1512mm
PA15 RHS H4 1512mm
PA16 RHS H4 1512mm
PA19 RHS H4 1512mm

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