Plant Care Cos Lettuce

Cos Lettuce


Lactuca sativa var. longifolia

How to care for Cos Lettuce


How often to water your Cos Lettuce

Water needs for Cos Lettuce
0.5 cups
every 9

Cos Lettuce 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 Cos Lettuce

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 Cos Lettuce in your home

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

Cos Lettuce love being close to bright, sunny windows 😎.

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

Cos Lettuce does not tolerate low-light 🚫.

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


How to fertilize Cos Lettuce

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

Water Needs
Sunlight Needs
Native Region

Care Summary for Cos Lettuce

Cos Lettuce

Cos Lettuce

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.

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