Plant Care Giant Blue Eyed Mary

Giant Blue Eyed Mary

Also known as

large-flower blue-eyed-Mary, large-flowered blue-eyed Mary, blue-lips and giant blue-eyed Mary

Taxonomy

Collinsia grandiflora
Collinsia
Plantaginaceae
Lamiales

How to care for Giant Blue Eyed Mary

Water

How often to water your Giant Blue Eyed Mary

Water needs for Giant Blue Eyed Mary
0.5 cups
every 9

Giant Blue Eyed Mary 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.

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 Giant Blue Eyed Mary in your home

Light needs and placement for plant Giant Blue Eyed Mary: 3ft from a window
3ft or less from
a window

Giant Blue Eyed Mary may have difficulty thriving, and will drop leaves 🍃, without ample sunlight.

Place it less than 3 feet from a south-facing window to maximize the potential for growth.

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

Nutrients

How to fertilize Giant Blue Eyed Mary

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

FAQs
Water Needs
Sunlight Needs
Toxicity

Care Summary for Giant Blue Eyed Mary

Giant Blue Eyed Mary


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 3ft 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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