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Annual · Asteraceae family

Common zinnia

Zinnia elegans

Full sun 0.15–1.2 m × 0.2–0.3 m Flowers June–October Moderate care
Flower colours Click a colour

In short a 10-second read

SunFull sun
Size0.15–1.2 m
spacing 30 cm
FlowersJune–October
Care levelModerate care

Where to plant and how much to water

Sun, soil and water.

It grows best in full sun, in average soil.

Sun

Sun6 hours or more
Part shade3–6 hours
Shadeunder 3 h

Soil

tolerates any pH
acidicneutralalkaline
averagehumus-richloamy

Watering

keep the soil evenly moistless when it rains

How much space it takes

Mature size.

The mature plant next to a person (175 cm).

50 cm1 m1.5 m0.15–1.2 mspread 0.2–0.3 m
0.15–1.2 m× spread 0.2–0.3 m

Plant 30 cm apart.

The final size depends on the cultivar and the spot — we give the range from smallest to largest.

Calendar

Through the year.

Months for Central Europe. The line shows the current month.

The year at a glance

Flowers: JanuaryFlowers: FebruaryFlowers: MarchFlowers: AprilFlowers: MayFlowers: JuneFlowers: JulyFlowers: AugustFlowers: SeptemberFlowers: OctoberFlowers: NovemberFlowers: DecemberSowing: JanuarySowing: FebruarySowing: MarchSowing: AprilSowing: MaySowing: JuneSowing: JulySowing: AugustSowing: SeptemberSowing: OctoberSowing: NovemberSowing: DecemberFeeding: JanuaryFeeding: FebruaryFeeding: MarchFeeding: AprilFeeding: MayFeeding: JuneFeeding: JulyFeeding: AugustFeeding: SeptemberFeeding: OctoberFeeding: NovemberFeeding: DecemberCare: JanuaryCare: FebruaryCare: MarchCare: AprilCare: MayCare: JuneCare: JulyCare: AugustCare: SeptemberCare: OctoberCare: NovemberCare: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
FlowersSowingFeedingCare
Now, in October: nothing to do — the next job is in March. · watch for grey mould.
JanFebMarAprMayJunJulAugSepOctNovDec

Flowers

JanFebMarAprMayJunJulAugSepOctNovDec

June–October · red, yellow, orange, pink, purple, green or white

Sowing

JanFebMarAprMayJunJulAugSepOctNovDec

direct sowing: May–June; sow indoors: March–April

Feeding

JanFebMarAprMayJunJulAugSepOctNovDec

April–May

Care

JanFebMarAprMayJunJulAugSepOctNovDec

pinch out the tips (May–June)

Feeding

Nutrition.

Horn meal

up to 90 g/m² a year, if the soil needs it · April–May

JanFebMarAprMayJunJulAugSepOctNovDec

Pests and diseases

Common problems and what to do.

The most common problems in Central Europe. Protection is listed from the gentlest option.

High riskMedium riskLow riskRisk for this plant according to the source · no label = no documented level

What you will see

White powdery coating on leaves, stems and flowers; leaves may become distorted.

The source says: it can seriously deform the leaves and spoil the plant’s look.

When to look

From spring onwards

How to protect

  1. Prevention
    • Destroy fallen infected leaves in autumn; do not over-feed, and protect from drought (stress invites powdery mildew).
  2. By hand autumnPrune out infected shoots early and destroy fallen leaves.
Powdery mildewsdisease · from spring onwardsHigh risk

What you will see

White powdery coating on leaves, stems and flowers; leaves may become distorted.

The source says: it can seriously deform the leaves and spoil the plant’s look.

When to look

From spring onwards

How to protect

  1. Prevention
    • Destroy fallen infected leaves in autumn; do not over-feed, and protect from drought (stress invites powdery mildew).
  2. By hand autumnPrune out infected shoots early and destroy fallen leaves.
More about this problem

Grey mould

Botrytis cinerea
Medium riskdisease
More about this problem

What you will see

Fuzzy grey-brown mould on dying buds, leaves, flowers and fruit.

The source says: it is among the annuals susceptible to grey mould.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
May–October

How to protect

  1. Prevention
    • Reduce humidity, improve airflow and do not plant too densely.
  2. By handQuickly remove dead and affected parts (carefully, as spores spread easily), ideally into a bag.
Grey moulddisease · May–OctoberMedium risk

What you will see

Fuzzy grey-brown mould on dying buds, leaves, flowers and fruit.

The source says: it is among the annuals susceptible to grey mould.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
May–October

How to protect

  1. Prevention
    • Reduce humidity, improve airflow and do not plant too densely.
  2. By handQuickly remove dead and affected parts (carefully, as spores spread easily), ideally into a bag.
More about this problem
Sources (5)

What to combine it with

Same needs, different flowering.

They share the same sun and soil and flower in other months — so the bed flowers for longer.

Ready-made Studio combinations with this plant

Click a combination — the Studio opens a new raised bed with it already planted.

Frequently asked

Quick answers.

When does Common zinnia flower?

In June–October; the flowers are red, yellow, orange, pink, purple, green or white.

When do I sow Common zinnia?

In March–June (direct sowing, sow indoors).

Does Common zinnia tolerate shade?

No, it needs full sun.

How much space does Common zinnia need?

At maturity 0.2–0.3 m wide and 0.15–1.2 m tall; recommended spacing 30 cm.

Grey mould — what can you do?

Reduce humidity, improve airflow and do not plant too densely. Quickly remove dead and affected parts (carefully, as spores spread easily), ideally into a bag.

Powdery mildews — what can you do?

Destroy fallen infected leaves in autumn; do not over-feed, and protect from drought (stress invites powdery mildew). Prune out infected shoots early and destroy fallen leaves.

Sources (16) Checked 17 October 2026

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