Plant Care Thimble Cactus

Thimble Cactus

5.0 out of 5 (4 experiences)

Thimble Cactus has a Easy to propagate plant personality Easy to propagate
Thimble Cactus has a Survivor plant personality Survivor

Also known as

Popcorn Cactus


Mammillaria gracilis fragilis

How to care for Thimble Cactus


How often to water your Thimble Cactus

Water needs for Thimble Cactus
0.5 cups
every 12

Thimble Cactus needs 0.5 cups of water every 12 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 Thimble Cactus

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 Thimble Cactus in your home

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

Thimble Cactus love being close to bright, sunny windows 😎.

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

Thimble Cactus does not tolerate low-light 🚫.

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


How to fertilize Thimble Cactus

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

Care Summary for Thimble Cactus

Thimble Cactus

Thimble Cactus

Greg recommends:


0.5 cups every 12 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

Thimble Cactus has a Easy to propagate plant personality Easy to propagate 3
Thimble Cactus has a Survivor plant personality Survivor 2
Thimble Cactus has a Blooms easily plant personality Blooms easily 1
Thimble Cactus has a Fast grower plant personality Fast grower 1
Cory queen bee ellis avatar
@Cory queen bee ellis
leaf-1 19 Plants
xp 302 XP
globe Leland, North Carolina

This plants has small roundish growths. It is easy to separate or if any of them fall off it’s just as easy to place in the soil. Love the flowers to when it does bloom.

Easy to propagate Easy to propagate
Survivor Survivor
Itsmel avatar
leaf-1 5 Plants
xp 204 XP

Easy to propagate and looks cute

Easy to propagate Easy to propagate
Blooms easily Blooms easily

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