Calendula — Grow Guide — Holly's Homestead

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Sun

Full sun to part shade

Water

Moderate, regular

Soil pH

6.0–7.0

Spacing

30–40cm

Depth

0.5cm

01Deadhead for months of colour

Calendula's bright orange-yellow flowers are edible in salads, and traditionally the petals have been dried for use in skin salves. Regular deadheading keeps new blooms coming for months, and it self-seeds readily enough to return on its own the following season.

02Planting

Method

Direct sow, or transplant seedlings once frost risk has passed.

Soil

Average, well-drained soil; not fussy.

Timing

Sow in spring or autumn — cool weather suits it best.

Planting timing varies significantly by Australian climate zone. Set your zone above (or use the Find My Climate Zone tool) for guidance tailored to your own area.

03Growing care

Deadhead spent flowers regularly to keep new blooms coming.
Water at the base, avoiding wet foliage.
No feeding needed — it flowers well in average soil.
Let a few flowers go to seed at season's end for self-sowing next year.

04Problems

Powdery mildew — humid conditions; improve airflow, avoid overhead watering.
Aphids — cluster on new growth; hose off.
Very few other pests — a hardy, easy-going annual.
Bolting in heat — prefers cool weather; expect it to fade in summer heat.

05Harvest & storage

Signs

Flowers are ready once fully open, usually from 6–8 weeks after sowing.

Method

Snip whole flower heads at the base of the bloom.

Curing

Air-dry petals on a tray out of direct sun for long-term storage.

Storage

Fresh in water a few days; dried petals keep for months in an airtight jar.

Preserving

See Dehydrating for ways to keep a harvest surplus.

06Companions & rotation

Plant nearby

TomatoBrassicasMost vegetables

Avoid nearby

Few restrictions

Rotation note

Fast annual; useful as a pollinator-attracting border plant.

Calendula is an easy plant to grow, needing full sun to part shade with moderate, regular watering.