Pelham Gardens
Pelham GardensGrow What Matters

Rosemary

Hardy, drought-tolerant and evergreen. Once established, rosemary needs almost no attention and can be harvested year-round.

Establishing this month
First sprouts in 14–21 days

Sow

Feb – May

Plant Out

Apr – May

Harvest

Jun – Oct

Type

Outdoor

Difficulty

Rosemary

Growing Calendar

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sow
Transplant
Harvest

This month: Apr

Move seedlings outside carefully

  • Harden off plants
  • Prepare soil outdoors
  • Space plants correctly
  • Water well after planting

Sowing Guide

What you'd find on the seed packet

Sow Depth

5mm

Spacing

60cm

Germination

14–21days

Thinning

Thin to one plant — rosemary grows large over time

Grower's Note

Slow from seed — propagating from cuttings is faster and more reliable. Take 10cm softwood cuttings in spring.

Growing Stages

Approximate weeks from sowing to harvest

Sprouting

2wks

Seeds germinate and first leaves emerge. Keep warm and moist.

Establishing

8wks

Root system develops and plant builds structure. Pot on if needed.

Maturing

16wks

Plant reaches full size and begins producing. Harvest at peak.

Total~26 weeksfrom seed to harvest

Companion Plants

BeansCarrotKaleTomatoLettuce

Climate Control

Today

C

Humidity

%

Water

Every 3–4 days

Sunlight

6+ hours direct sun

Watch Out For

  • ! Waterlogged soil kills rosemary quickly — ensure excellent drainage
  • ! Hard cutting into old wood prevents regrowth
  • ! Rosemary beetle defoliates plants — pick off by hand

What You'll Need

Equipment for growing rosemary

Modular Seed Tray

96-cell for precision sowing

Fine Rose Watering Can

Gentle shower for seedlings

Bamboo Canes

Pack of 20 × 120cm

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Grown Organically

Every method in this guide works with natural systems — no synthetic chemicals, no shortcuts.

Read our approach

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