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All 12 products · Brick Premium

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Raised garden bed I – solid 2⅜ in European larchRaised garden bed IRaised garden bedsRaised garden bed L – solid 2⅜ in European larchRaised garden bed LRaised garden bedsRaised garden bed U – solid 2⅜ in European larchRaised garden bed URaised garden bedsBed I with bench – solid 2⅜ in European larchBed I with benchRaised garden bedsBed L with bench – solid 2⅜ in European larchBed L with benchRaised garden bedsSolid bench – solid 2⅜ in European larchSolid benchSeatingPedestal bench – solid 2⅜ in European larchPedestal benchSeatingBench with planter – solid 2⅜ in European larchBench with planterSeatingGarden table – solid 2⅜ in European larchGarden tableSeatingTable and two benches – solid 2⅜ in European larchTable and two benchesSeatingSandbox with seating – solid 2⅜ in European larchSandbox with seatingFor kidsGarden steps – solid 2⅜ in European larchGarden stepsSlope & terrace

By project

Brick Premium bedsSeatingKids’ cornerSlope & terraceCustom-size bedLow wall & slopeBed for the patio
Choose your climateBased on winter hardiness only.

Annual · Asteraceae family

Garden cosmos

Cosmos bipinnatus

Full sun 11¾ in–3 ft 11¼ in × 1 ft 11⅝ in–2 ft 11⅜ in Flowers June–October Low maintenance
Flower colors Click a color

In short a 10-second read

SunFull sun
Size11¾ in–3 ft 11¼ in
spacing 17¾ in
FlowersJune–October
Care levelLow maintenance

Where to plant and how much to water

Sun, soil and water.

It grows best in full sun, in dry to average soil.

Sun

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

Soil

tolerates any pH
acidicneutralalkaline
dry to averagesandyloamy

Watering

only in dry spellsdrought tolerant once establishedless when it rains

How much space it takes

Mature size.

The mature plant next to a person (69 in).

19¾ in3 ft 3⅜ in4 ft 11 in11¾ in–3 ft 11¼ inspread 1 ft 11⅝ in–2 ft 11⅜ in
11¾ in–3 ft 11¼ in× spread 1 ft 11⅝ in–2 ft 11⅜ in

Plant 17¾ in apart.

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

Calendar

Through the year.

Typical for a temperate climate (four seasons). 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: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
FlowersSowingFeeding
Now, in October: nothing to do — the next job is in March. · watch for gray mold.
JanFebMarAprMayJunJulAugSepOctNovDec

Flowers

JanFebMarAprMayJunJulAugSepOctNovDec

June–October · red, pink, white or yellow

Sowing

JanFebMarAprMayJunJulAugSepOctNovDec

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

Feeding

JanFebMarAprMayJunJulAugSepOctNovDec

April–May

Feeding

Nutrition.

Horn meal

up to 0.29 oz/sq ft 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.

What you will see

Clusters of tiny sap-sucking insects on young shoots, curled leaves, sticky honeydew and sooty mold.

When to look

Spring – summer

How to protect

  1. Prevention
    • Aphids are part of a healthy garden and food for predators; a healthy plant usually tolerates them.
  2. By handWipe or rinse off colonies and remove affected tips.
  3. BiologicalEncourage natural enemies (ladybirds, earwigs, birds).
Aphidspest · spring – summer

What you will see

Clusters of tiny sap-sucking insects on young shoots, curled leaves, sticky honeydew and sooty mold.

When to look

Spring – summer

How to protect

  1. Prevention
    • Aphids are part of a healthy garden and food for predators; a healthy plant usually tolerates them.
  2. By handWipe or rinse off colonies and remove affected tips.
  3. BiologicalEncourage natural enemies (ladybirds, earwigs, birds).
More about this problem

What you will see

Irregular holes in leaves and slime trails, especially on young plants in damp weather.

How to protect

  1. Prevention
    • Changing growing practices is the best strategy; protect young plants.
  2. By handEvening collection by torchlight in damp weather; barriers (copper tape, wool pellets).
  3. Biological moist, warm soilPhasmarhabditis hermaphrodita nematodes watered into the soil.
Slugs and snailspest

What you will see

Irregular holes in leaves and slime trails, especially on young plants in damp weather.

How to protect

  1. Prevention
    • Changing growing practices is the best strategy; protect young plants.
  2. By handEvening collection by torchlight in damp weather; barriers (copper tape, wool pellets).
  3. Biological moist, warm soilPhasmarhabditis hermaphrodita nematodes watered into the soil.
More about this problem

Gray mold

Botrytis cinerea
disease
More about this problem

What you will see

Fuzzy gray-brown mold on dying buds, leaves, flowers and fruit.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
April–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.
Gray molddisease · April–October

What you will see

Fuzzy gray-brown mold on dying buds, leaves, flowers and fruit.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
April–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 (4)

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.

garden tulip

garden tulip

9⅞ in–1 ft 11⅝ in
✓flowers April–May
✓lower — for the front
leather bergenia

leather bergenia

11¾ in–1 ft 5¾ in
✓flowers April–May
✓lower — for the front
bugleweed

bugleweed

5⅞ in–11¾ in
✓flowers April–June
✓lower — for the front

Ready-made Studio combinations with this plant

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

Cutting bed — garden cosmosCutting bed — Common zinniaCutting bed — purple coneflowerCutting bed — Chinese peony
Cutting bedAnnual cosmos and zinnias with coneflower and peony — flowers for the vase from June to October.Open in the Studio

Frequently asked

Quick answers.

When does garden cosmos flower?

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

When do I sow garden cosmos?

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

Does garden cosmos tolerate shade?

No, it needs full sun.

How much space does garden cosmos need?

At maturity 1 ft 11⅝ in–2 ft 11⅜ in wide and 11¾ in–3 ft 11¼ in tall; recommended spacing 17¾ in.

Aphids — what can you do?

Aphids are part of a healthy garden and food for predators; a healthy plant usually tolerates them. Wipe or rinse off colonies and remove affected tips.

Slugs and snails — what can you do?

Changing growing practices is the best strategy; protect young plants. Evening collection by torchlight in damp weather; barriers (copper tape, wool pellets).

Sources (17) Checked 17 October 2026

Similar plants

Have a look at these too.

Shasta daisy

Leucanthemum × superbum

11¾ in–3 ft 11¼ in × 11¾ in–2 ft 11⅜ in
Moderate careperennial
Design a bed with this plant in Studio