Plant Care Blue Flag

Blue Flag

5.0 out of 5 (1 experiences)

Blue Flag has a Fast grower plant personality Fast grower
Blue Flag has a Easy to propagate plant personality Easy to propagate

Also known as

blue flag, harlequin blueflag, varied-color iris, water flag and harlequin blue flag


Iris versicolor

How to care for Blue Flag


How often to water your Blue Flag

Water needs for Blue Flag
0.5 cups
every 9

Blue Flag 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 Blue Flag

Water 0.5 cups every

Does your plant get direct sunlight?

Select the pot size


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 Blue Flag in your home

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

Blue Flag love being close to bright, sunny windows 😎.

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

Blue Flag does not tolerate low-light 🚫.

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


How to fertilize Blue Flag

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

Difficulty Level

Blue Flag is generally considered an easy-to-care-for plant and makes a great choice for beginners!

Water Needs
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for Blue Flag

Blue Flag

Blue Flag

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

What other plant parents say

Blue Flag has a Fast grower plant personality Fast grower 1
Blue Flag has a Easy to propagate plant personality Easy to propagate 1
Blue Flag has a Blooms easily plant personality Blooms easily 1
Blue Flag has a Survivor plant personality Survivor 1
@tessasplants avatar
leaf-1 35 Plants
xp 728 XP

New versicoloured Iris clipping from a friend. She’s beautiful.

Fast grower Fast grower
Easy to propagate Easy to propagate
Blooms easily Blooms easily
Survivor Survivor

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