Plant Care Mammillaria polythele 'Inermis'

Mammillaria polythele 'Inermis'

5.0 out of 5 (1 experiences)

Mammillaria polythele 'Inermis' has a Fast grower plant personality Fast grower


Mammillaria polythele 'Inermis'

How to care for Mammillaria polythele 'Inermis'


How often to water your Mammillaria polythele 'Inermis'

Water needs for Mammillaria polythele 'Inermis'
0.5 cups
every 12

Mammillaria polythele 'Inermis' 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 Mammillaria polythele 'Inermis'

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 Mammillaria polythele 'Inermis' in your home

Light needs and placement for plant Mammillaria polythele 'Inermis': 1ft from a window
1ft or less from
a window

Mammillaria polythele 'Inermis' love being close to bright, sunny windows 😎.

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

Mammillaria polythele 'Inermis' does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Mammillaria polythele 'Inermis' in your home 🏡.


How to fertilize Mammillaria polythele 'Inermis'

Nutrient, fertilizer, and repotting needs for Mammillaria polythele 'Inermis': 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 Mammillaria polythele 'Inermis' after it doubles in size or once a year—whichever comes first.

Water Needs
Sunlight Needs

Care Summary for Mammillaria polythele 'Inermis'

Mammillaria polythele 'Inermis'

Mammillaria polythele 'Inermis'

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

Mammillaria polythele 'Inermis' has a Fast grower plant personality Fast grower 1
Nataliahmichelle avatar
leaf-1 31 Plants
xp 1,042 XP
globe Marysville, Washington

This plant is so cute and grows quickly to store water. Easy to care for since I only water it monthly. I originally thought it had spider mites but it just has white fuzz naturally and it’s pretty adorable. I like the lack of spines too! It’s really unique!

Fast grower Fast grower

Trending in your area

Similar to Mammillaria polythele 'Inermis'

Discover rare plants

This plant is popular in