Plant Care Cosmos

Cosmos

Taxonomy

Cosmos Bipannatus
Cosmos
Asteraceae
Asterales

How to care for Cosmos

Water

How often to water your Cosmos

Water needs for Cosmos
0.5 cups
every 9

Cosmos needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Calculate water needs of Cosmos

Water 0.5 cups every
9

Does your plant get direct sunlight?

Select the pot size

5"
Light

Check the growing potential in your area

A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for Cosmos in your home

Light needs and placement for plant Cosmos: 1ft from a window
1ft or less from
a window

Cosmos love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

Cosmos does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Cosmos in your home 🏡.

Nutrients

How to fertilize Cosmos

Nutrient, fertilizer, and repotting needs for Cosmos: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your Cosmos after it doubles in size or once a year—whichever comes first.

FAQs
Water Needs
Sunlight Needs
Toxicity
Soil
Fertilizer

Care Summary for Cosmos

Cosmos

Cosmos


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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