Basil

Aromatic and tender. Grows best with warmth — plant alongside tomatoes for a classic combination.

Sprouting this month

First sprouts in 5–10 days

Sow

Mar – Jun

Plant Out

May – Jun

Harvest

Jun – Sep

Type

Both

Difficulty

Growing Calendar

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sow

Transplant

Harvest

This month: Apr

Start seeds indoors this week

•Fill tray with compost
•Sow seeds evenly
•Cover lightly with soil
•Water gently
•Place in warm light spot

Sowing Guide

What you'd find on the seed packet

Sow Depth

5mm

Spacing

20cm

Germination

5–10days

Thinning

Thin to one strong plant per 20cm

Grower's Note

Needs consistent warmth above 15°C to thrive. Sow indoors Mar–May; do not plant out until nights are reliably warm.

Growing Stages

Approximate weeks from sowing to harvest

Sprouting

1wks

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

Establishing

3wks

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

Maturing

6wks

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

Total~10 weeksfrom seed to harvest

Companion Plants

TomatoMarigoldCourgetteNasturtiumChives

Climate Control

Today

—C

Humidity

—%

Water

Every 2–3 days

Sunlight

6+ hours direct sun

Watch Out For

! Cold temperatures below 10°C cause blackening and collapse
! Overwatering causes root rot — allow compost to dry slightly between watering
! Aphids cluster on soft growing tips

What You'll Need

Equipment for growing basil

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

Related Crops

Tomato

Active

Rich, sun-ripened fruits packed with flavour. Start indoors for a long and rewarding season.

Courgette

Active

Prolific and easy to grow. Harvest young for the best flavour and keep plants producing.

Marigold

Active

A companion planting essential. Deters pests and brings colour to any growing space.

Nasturtium

Active

Edible flowers with a peppery kick. Thrives in poor soil and needs almost no attention.

Basil

Growing Calendar

Sowing Guide

Growing Stages

Companion Plants

Climate Control

Watch Out For

What You'll Need

Related Crops

Tomato

Courgette

Marigold

Nasturtium

Seasonal Updates