Plant Care Japanese black pine

Japanese black pine

About Japanese black pine

Japanese black pine is a super rare houseplant 🌿 that is easy to grow and needs regular watering to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.

Japanese black pine likes soil that is well draining. Your plant shouldn't need added fertilizers if you repot each time it doubles in size.

Japanese black pine belongs to the pinus genus, and is native to Japan and South Korea.

Taxonomy

Pinus thunbergii
Pinus
Pinaceae
Pinales

How to care for Japanese black pine

Water

How often to water your Japanese black pine

Water needs for Japanese black pine
0.5 cups
every 9

Japanese black pine 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 Jose, 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 Japanese black pine

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 Japanese black pine in San Jose, California

San Jose, California

54% Low

Growing Japanese black pine in San Jose right now

Light needs for plant Japanese black pine in San Jose, California

Plant growth potential is currently low 📉

November 26th, 2021

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

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

Read more

Light needs for plant Japanese black pine in San Jose, California

Sunlight intensity will decrease by 27.9% ☀️

November 26th, 2021

San Jose is trending towards lower sunlight intensity!

The amount of sunlight in San Jose is expected to decrease by 27.9% over the next 2 weeks to an average of 8.7 megajoules of energy per m2 pe…

Read more

Light needs for plant Japanese black pine in San Jose, California

Daylight will decrease by 1.1 hours 📉

November 26th, 2021

This month, San Jose is getting an average of 10.2 hours of clear sky sunlight per day.

Hours of daylight will decrease by 10.7% over the next two weeks. Your plants will get 9.5 total hours of da…

Read more

Finding light for Japanese black pine in your home

Light needs and placement for plant Japanese black pine: 1ft from a window
1ft or less from
a window

Japanese black pine 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 San Jose, California ⛅.

Japanese black pine does not tolerate low-light 🚫.

Nutrients

How to fertilize Japanese black pine

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

FAQs
Difficulty Level

Japanese black pine is generally considered an easy-to-care-for plant and makes a great choice for beginners!


Water Needs
Sunlight Needs
Toxicity
Soil
Fertilizer
Growth Pattern
Growing Outdoors

Care Summary for Japanese black pine

Japanese black pine

Japanese black pine


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

Repot after 2x growth

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

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