Plant Care Garden dahlia

Garden dahlia

Also known as



Dahlia pinnata

How to care for Garden dahlia


How often to water your Garden dahlia

Water needs for Garden dahlia
0.5 cups
every 9

Garden dahlia needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Seattle, Washington.

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 Garden dahlia

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 Garden dahlia in Seattle, Washington

Seattle, Washington

32% Very Low

Growing Garden dahlia in Seattle right now

Light needs for plant Garden dahlia in Seattle, Washington

Plant growth potential is currently very low 📉

December 6th, 2021

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

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

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Light needs for plant Garden dahlia in Seattle, Washington

Sunlight intensity will decrease by 35% ☀️

December 6th, 2021

Seattle is trending towards lower sunlight intensity!

The amount of sunlight in Seattle is expected to decrease by 35% over the next 2 weeks to an average of 4.6 megajoules of energy per m2 per da…

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Light needs for plant Garden dahlia in Seattle, Washington

Daylight will decrease by 1.3 hours 📉

December 7th, 2021

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

Hours of daylight will decrease by 13.3% over the next two weeks. Your plants will get 8.2 total hours of dayl…

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Finding light for Garden dahlia in your home

Light needs and placement for plant Garden dahlia: 1ft from a window
1ft or less from
a window

Garden dahlia 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 Seattle, Washington ⛅.

Garden dahlia does not tolerate low-light 🚫.


How to fertilize Garden dahlia

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

When to repot Garden dahlia

Nutrient needs for plant Garden dahlia in Seattle, Washington

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

December 5th, 2021

The growing potential in Seattle 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 to …

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Water Needs
Sunlight Needs
Growing Outdoors

Care Summary for Garden dahlia

Garden dahlia

Garden dahlia

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

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