Plant Care Centaurea Cyanus

Centaurea Cyanus

Also known as

Cornflower, Cornflower, Bachelor's button and Cornflower - blue ball

Taxonomy

Centaurea cyanus
Centaurea
Asteraceae
Asterales

How to care for Centaurea Cyanus

Water

How often to water your Centaurea Cyanus

Water needs for Centaurea Cyanus
0.5 cups
every 9

Centaurea Cyanus needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Pittsburgh, Pennsylvania.

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 Centaurea Cyanus

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.

Plant care guide for Centaurea Cyanus in Pittsburgh, Pennsylvania

Pittsburgh, Pennsylvania

72% Medium

Growing Centaurea Cyanus in Pittsburgh right now

Light needs for plant Centaurea Cyanus in Pittsburgh, Pennsylvania

Plant growth potential is currently medium 👌

October 5th, 2022

Sunlight energy as measured by “net radiation” in Pittsburgh is currently medium 👌.

The availability of high quality sunlight in your home impacts ability for plants to thrive and is key in determ…

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Light needs for plant Centaurea Cyanus in Pittsburgh, Pennsylvania

Sunlight will decrease by 32.6% ☀️

October 4th, 2022

Pittsburgh is trending towards lower sunlight intensity!

The amount of sunlight in Pittsburgh is expected to decrease by 32.6% over the next 2 weeks to an average of 10.7 megajoules of energy per …

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Light needs for plant Centaurea Cyanus in Pittsburgh, Pennsylvania

Daylight will decrease by 1.9 hours 📉

October 4th, 2022

This month, Pittsburgh is getting an average of 10.1 hours of clear sky sunlight per day.

Hours of daylight will decrease by 15.3% over the next two weeks. Your plants will get 10.8 total hours of…

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Finding light for Cornflower in your home

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

Centaurea Cyanus love being close to bright, sunny windows 😎.

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

Centaurea Cyanus does not tolerate low light 🚫.

Pittsburgh, Pennsylvania currently has medium levels of sunlight intensity, you can help this plant grow by treating it to ample light ☀️.

Nutrients

How to fertilize Centaurea Cyanus

Nutrient, fertilizer, and repotting needs for Centaurea Cyanus: 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 Centaurea Cyanus after it doubles in size or once a year—whichever comes first.

When to repot Centaurea Cyanus

Nutrient needs for plant Centaurea Cyanus in Pittsburgh, Pennsylvania

Is this a good time of year to repot? Yes! 🪴

October 2nd, 2022

The growing potential in Pittsburgh is medium 👌.

It's best to repot plants during their active growing periods when they have the energy to re-establish their roots! This is a great time to repot …

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FAQs
Difficulty Level

Centaurea Cyanus can be challenging to care for, according to some plant parents. Check out the reviews down below to learn from their experiences!


Water Needs
Sunlight Needs
Toxicity
Soil
Fertilizer
Growth Pattern
Growing Outdoors
Propagation

Care Summary for Centaurea Cyanus

Centaurea Cyanus

Centaurea Cyanus


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

Repot after 2x growth

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

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