Plant Care Dog Tail Cactus

Dog Tail Cactus

4.3 out of 5 (6 experiences)

Dog Tail Cactus has a Survivor plant personality Survivor
Dog Tail Cactus has a Fast grower plant personality Fast grower

Also known as

Deamia testudo


Selenicereus testudo

How to care for Dog Tail Cactus


How often to water your Dog Tail Cactus

Water needs for Dog Tail Cactus
0.5 cups
every 12

Dog Tail 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.

Calculate water needs of Dog Tail Cactus

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 Dog Tail Cactus in your home

Light needs and placement for plant Dog Tail Cactus: 1ft from a window
1ft or less from
a window

Dog Tail Cactus love being close to bright, sunny windows 😎.

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

Dog Tail Cactus does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Dog Tail Cactus in your home 🏡.


How to fertilize Dog Tail Cactus

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

Care Summary for Dog Tail Cactus

Dog Tail Cactus

Dog Tail 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.

What other plant parents say

Dog Tail Cactus has a Survivor plant personality Survivor 3
Dog Tail Cactus has a Fast grower plant personality Fast grower 2
Dog Tail Cactus has a Pet friendly plant personality Pet friendly 1
Dog Tail Cactus has a Browns easily plant personality Browns easily 1
Dog Tail Cactus has a Pest magnet plant personality Pest magnet 1
Dog Tail Cactus has a Easy to propagate plant personality Easy to propagate 1
Aur0ra avatar
leaf-1 46 Plants
xp 1,267 XP

not sure on this one, the growth is all sideways and even when i turn it away from the sun it doesn’t bend back up

Tadison avatar
leaf-1 29 Plants
xp 756 XP
globe Lancaster, Pennsylvania

This this will not die. I am horrible at keep plants alive, and so far he has been THRIVING for almost 2 years. Honestly watered probably less than 20 times in 2 years.

Survivor Survivor
Pdubs55 avatar
leaf-1 38 Plants
xp 1,051 XP
globe Albany, New York

Goes crazy in sauce

Fast grower Fast grower

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