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Also known as
Snowball Cactus and Feather Ball Cactus
Taxonomy
Mammillaria plumosa
Mammillaria
Cactaceae
Caryophyllales

How to care for Feather Cactus
How often to water your Feather Cactus

every 12
Feather 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.
Water 0.5 cups every
12
Finding light for Feather Cactus in your home

a window
Feather Cactus love being close to bright, sunny windows 😎.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
Feather Cactus does not tolerate low-light 🚫.
Select your region to see how the current weather in your area affects the placement of Feather Cactus in your home 🏡.
How to fertilize Feather Cactus

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 Feather Cactus after it doubles in size or once a year—whichever comes first.
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#FeatherCactus looking deflated Hi my mammiralia plumosa has been looking deflated lately. When i wiggle the little arms they seem a little soft. I watered yesterday but no change, what could be the matter ? Should i give it more sunlight ?
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Do I pluck/tweeze out the dried/done flower?? #cactusclique
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How to tell if it’s dead 💀? #Mammillaria This little feather cactus sits on south/southwest front outdoor porch. Gets direct sun. I don’t know if it’s dead or not. Should I pull the feathery stuff apart? Trying to give it a drink to see if it drinks or not.
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Feather cactus is blooming. She’s obviously happy inside. She worried me outside this summer as she had flattened out. But so glad to see her thriving inside. #CactusClique #HappyPlants #WhatTheSuccWednesday #SucculentSquad
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this cactus has changed sm and i havent even realized it. is this normla for these bulbs to form? i used to not be able to see any bulbs and the cactus was kinda uniform all the way around instead of these individual bulbs 😭 #Mammillaria
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How to make it flower ? #Mammillaria
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How to get it to flower? #Mammillaria
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Is there anything that could be done to straighten it out more upright or better to leave it leaning? Looks the pot could be restricting growth at the base. #Mammillaria
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He did it again. I love him so much!! Four new babies along with my fur baby Pretty Girl. #happyplants #plantsmakepeoplehappy #plantaddict #succulentlove #cactusclique #cactus #elephantbush #aloevera #haworthia #mammillaria #petsandplants #petsofgreg
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Is@it bad if one of the spikes comes out? #Mammillaria
Care Summary for Feather Cactus
Feather 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.
