Sedum japonicum 'Tokyo Sun'

Highlights

'Tokyo Sun' (Sedum japonicum) (Siebold ex Miquel): A mat-forming ground cover Sedum that pops bright yellow. It is only hardy to about 10F (zone 8) but it is an eye-catching accent in pots that can overwinter indoors.

The yellow tones need direct sun to stay vibrant and will fade to green if shaded. 'Tokyo Sun' stays under 3.0" tall but spreads and mounds extensively on well-draining soil. Mature Sedum with established roots can tolerate at least a month of drought.

In the summer, large quantities of golden, star-shaped flowers emerge. They add depth to this colorful grower and even attract pollinators.

Full Sedum (Stonecrop) Guide

Product Size

2.0" Pot

Current Primary Color

Yellow / Gold

All Seasonal Colors

Green

Bloom Color

Yellow Bloom

Grow Zone (Hardiness)

Zone 8 (10F), Zone 9 (20F), Zone 10 (30F)

Recommended Light Conditions

Full Sun

Maximum Height

6"-8"

Growth Habit / Shape

Clumping / Mounding, Low Growing / Creeping

Seasonality

Year-round Color

Special Characteristic

Easy to Propagate, Pet Safe

THIS PLANT IS HARDY IN ZONES 8 - 10

8 9 10

WHAT IS MY HARDINESS ZONE?

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Popular Questions

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3 years ago

Is this toxic to cats or dogs? See answer

Is the Tokyo Sun toxic to pets? See more »

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3 years ago  •  Staff Answer

I'm happy to report that Sedum japonicum 'Tokyo Sun', and indeed all Sedum species, are non-toxic and safe for pets. To see our other pet safe plants, click the link below!
Source: https://mountaincrestgardens.com/pet-... See full answer »

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3 years ago

Could you please let me know when this plant is available? See answer

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3 years ago  •  Staff Answer

If you go to that plant's store listing, the button that normally says "add to cart" will have switched to "email me when product is back in stock". If you click on that, you can set up our system to send you an automatic email as soon as that plant comes back in stock. See full answer »

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3 years ago

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how wide does it grow See more »

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3 years ago  •  Staff Answer

This plant spreads to around 8 inches when grown outdoors with adequate light and water. See full answer »

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1 year ago

I'vebeen wanting to order these for more than 3 months. why are they never available? See answer

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1 year ago  •  Staff Answer

We're so sorry to hear that! This is a popular product and has come in and out of stock over the last three months. If you click the blue button that says Email Me When Product is Back in Stock you'll be notified as soon as they're available again and you can snag one before they sell out again. See full answer »

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3 years ago

Should I water more or less in zone 12 See answer

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3 years ago  •  Staff Answer

That depends more on your humidity. If it's very dry where you live, the exceptional heat will be brutal on less drought tolerant succulents but, if the humidity is high, your issue will be rot and overwatering rather than being too dry. See full answer »

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2 years ago

what is the lowest cold temp outdoors for this one? See answer

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2 years ago  •  Staff Answer

This one is okay, temperature wise, until things get around 10°F. That is, assuming that it's kept dry when things get below freezing. See full answer »

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3 years ago

I live in AZ and had it outside in partial sun. Can this plant tolerate extreme heat? See answer

My Tokyo Sun is not doing well at all. Most of it has died. I had it outside and it was getting partial sun throughout the day. However, I think the extreme heat might have shocked it? How can I tell if it got too much sun or too much water? Most of the plant has died and withered. Only a few stalks are left. See more »

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3 years ago  •  Staff Answer

I'm sorry to hear that! Tokyo Sun is one of the more sensitive stonecrops. It does not like extreme weather. To get it to grow in Arizona, you would likely need to water it regularly and really protect it from the combination of direct sun, drought, and high heat. If it's looking dry, crispy, and withered, I would try to water the remaining plant more frequently. If, however, it looks more brown, mushy, and withered, then you do have a case of overwatering, and you should leave it to dry and recover.

I hope this all helps and I hope your plant recovers!
Source: https://mountaincrestgardens.com/faqs... See full answer »

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2 years ago

I live in HI, killed 4 of these! Kept in shade, infreq. water, good for weeks, then gradually dies. Indoors better? See answer

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2 years ago  •  Staff Answer

The shade may be the issue here. These plants prefer a lot of light, especially in high humidity conditions.

If you have a very bright window, indoors may be suitable. Otherwise, you can use a grow light. See full answer »

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2 years ago

it looks green in some pictures and yellow in others. is it yellow or not? See answer

color verification See more »

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2 years ago  •  Staff Answer

That depends on many factors like the time of year, the amount of water it's getting, the temperature, and many more. We try to capture the breadth of color variability in our pictures. See full answer »

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3 years ago

I need a hardy ground cover that will take snow and cold yet continue to prosper in hot summer, recommendations? See answer

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7 months ago  •  Staff Answer

You're going to want the succulent types in this Frost Hardy Ground Cover category. All these types of Sedum, Delosperma, Rosularia, and more are super easy spreaders that thrive with cold winters and hot, dry summers. Use the "Grow Zone (Hardiness)" filter on the left of that category page to see only types that are hardy in your climate. To check what grow zone you're in, enter your zip code into this USDA Hardiness Tool.

You can also browse all of our Bulk Trays of Frost Hardy Succulents here. Sedum Trays tend to be available in the spring. See full answer »

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