Plant Care Old Lady Cactus

Old Lady Cactus

Taxonomy

Old Lady Cactus
Old

How to care for Old Lady Cactus

Water

How often to water your Old Lady Cactus

Water needs for Old Lady Cactus
0.5 cups
every 9

Old Lady Cactus needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in San Francisco, California.

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 Old Lady Cactus

Water 0.5 cups every
9

Does your plant get direct sunlight?

Select the pot size

5"
Light

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.

Plant care guide for Old Lady Cactus in San Francisco, California

San Francisco, California

53% Low

Growing Old Lady Cactus in San Francisco right now

Light needs for plant Old Lady Cactus in San Francisco, California

Plant growth potential is currently low 📉

November 28th, 2021

Sunlight intensity as measured by “net radiation” in San Francisco is currently low 📉.

The availability of high quality sunlight in your home impacts ability for plants to thrive and is key in det…

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Light needs for plant Old Lady Cactus in San Francisco, California

Sunlight intensity will decrease by 28% ☀️

November 27th, 2021

San Francisco is trending towards lower sunlight intensity!

The amount of sunlight in San Francisco is expected to decrease by 28% over the next 2 weeks to an average of 8.4 megajoules of energy p…

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Light needs for plant Old Lady Cactus in San Francisco, California

Daylight will decrease by 1.1 hours 📉

November 27th, 2021

This month, San Francisco is getting an average of 10.0 hours of clear sky sunlight per day.

Hours of daylight will decrease by 10.5% over the next two weeks. Your plants will get 9.4 total hours …

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Finding light for Old Lady Cactus in your home

Light needs and placement for plant Old Lady Cactus: 3ft from a window
3ft or less from
a window

Old Lady Cactus may have difficulty thriving, and will drop leaves 🍃, without ample sunlight.

Place it less than 3 feet from a south-facing window to keep it happy during this time of reduced sunlight intensity in San Francisco, California ⛅.

Nutrients

How to fertilize Old Lady Cactus

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

When to repot Old Lady Cactus

Nutrient needs for plant Old Lady Cactus in San Francisco, California

Is this a good time of year to repot? No ⏳

November 27th, 2021

The growing potential in San Francisco is low 📉.

Repotting in late fall or winter when the day lengths are shorter can be very stressful for a plant and cause it to go into shock.

It's best to…

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Care Summary for Old Lady Cactus

Old Lady Cactus

Old Lady Cactus


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 3ft from a window

Nutrients

Repot after 2x growth

Based on your location in San Francisco, California, the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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