Plant Care Melocactus guitartii

Melocactus guitartii


Melocactus guitartii

How to care for Melocactus guitartii


How often to water your Melocactus guitartii

Water needs for Melocactus guitartii
0.5 cups
every 12

Melocactus guitartii 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

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 Melocactus guitartii in your home

Light needs and placement for plant Melocactus guitartii: 3ft from a window
3ft or less from
a window

Melocactus guitartii 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 Melocactus guitartii in your home 🏡.


How to fertilize Melocactus guitartii

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

Care Summary for Melocactus guitartii

Melocactus guitartii

Greg recommends:


0.5 cups every 12 days


< 3ft 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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