Plant Care Thelocactus macdowellii

Thelocactus macdowellii

Taxonomy

Thelocactus macdowellii
Thelocactus
Cactaceae
Caryophyllales

How to care for Thelocactus macdowellii

Water

How often to water your Thelocactus macdowellii

Water needs for Thelocactus macdowellii
0.5 cups
every 12

Thelocactus macdowellii needs 0.5 cups of water every 12 when it doesn’t get direct sunlight and is potted in a 5" pot located in Eugene, Oregon.

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 Thelocactus macdowellii

Water 0.5 cups every
12

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 Thelocactus macdowellii in Eugene, Oregon

Eugene, Oregon

37% Low

Growing Thelocactus macdowellii in Eugene right now

Light needs for plant Thelocactus macdowellii in Eugene, Oregon

Plant growth potential is currently very low 📉

December 9th, 2022

Sunlight intensity as measured by “net radiation” in Eugene is currently very low 📉.

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

Read more

Light needs for plant Thelocactus macdowellii in Eugene, Oregon

Sunlight will decrease by 29.4% ☀️

December 7th, 2022

Eugene is trending towards lower sunlight intensity!

The amount of sunlight in Eugene is expected to decrease by 29.4% over the next 2 weeks to an average of 5.9 megajoules of energy per m2 per da…

Read more

Light needs for plant Thelocactus macdowellii in Eugene, Oregon

Daylight will decrease by 1.1 hours 📉

December 6th, 2022

This month, Eugene is getting an average of 8.8 hours of clear sky sunlight per day.

Hours of daylight will decrease by 11.2% over the next two weeks. Your plants will get 8.7 total hours of dayli…

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Finding light for Thelocactus macdowellii in your home

Light needs and placement for plant Thelocactus macdowellii: 1ft from a window
1ft or less from
a window

Thelocactus macdowellii love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to ensure it receives enough light to survive during this time of reduced sunlight intensity in Eugene, Oregon ⛅.

Thelocactus macdowellii does not tolerate low-light 🚫.

Nutrients

How to fertilize Thelocactus macdowellii

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

FAQs
Water Needs
Sunlight Needs
Toxicity
Humidity
Soil
Fertilizer
Native Region

Care Summary for Thelocactus macdowellii

Thelocactus macdowellii

Thelocactus macdowellii


Greg recommends:

Water

0.5 cups every 12 days

Placement

< 1ft from a window

Nutrients

Repot after 2x growth

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

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