Plant Care Judas-tree


About Judas-tree

Mediterranean Redbud is drought tolerant and prefers drier climates. It has a rounded crown and grows 15 to 25 feet tall. The blooms are larger than most Redbuds and appear in spring before the foliage.


Cercis siliquastrum

Also known as

Judas tree

How to care for Judas-tree


How often to water your Judas-tree

Water needs for Judas-tree
0.5 cups
every 9

Judas-tree needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Louisville, Kentucky.

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 Judas-tree

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.

Plant care guide for Judas-tree in Louisville, Kentucky

Louisville, Kentucky

45% Low

Growing Judas-tree in Louisville right now

Light needs for plant Judas-tree in Louisville, Kentucky

Plant growth potential is currently very low 📉

December 1st, 2021

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

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

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Light needs for plant Judas-tree in Louisville, Kentucky

Sunlight intensity will decrease by 26.6% ☀️

December 1st, 2021

Louisville is trending towards lower sunlight intensity!

The amount of sunlight in Louisville is expected to decrease by 26.6% over the next 2 weeks to an average of 7.3 megajoules of energy per m…

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Light needs for plant Judas-tree in Louisville, Kentucky

Daylight will decrease by 1.0 hours 📉

December 1st, 2021

This month, Louisville is getting an average of 8.2 hours of clear sky sunlight per day.

Hours of daylight will decrease by 9.8% over the next two weeks. Your plants will get 9.3 total hours of da…

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Finding light for Judas-tree in your home

Light needs and placement for plant Judas-tree: 1ft from a window
1ft or less from
a window

Judas-tree 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 Louisville, Kentucky ⛅.

Judas-tree does not tolerate low-light 🚫.


How to fertilize Judas-tree

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

When to repot Judas-tree

Nutrient needs for plant Judas-tree in Louisville, Kentucky

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

November 28th, 2021

The growing potential in Louisville is very 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 …

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Difficulty Level

Judas-tree is generally considered an easy-to-care-for plant and makes a great choice for beginners!

Water Needs
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for Judas-tree



Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

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