Plant Care Lewis' mock-orange

Lewis' mock-orange

About Lewis' mock-orange

Lewis' mock-orange is a super rare houseplant 🌿 that needs regular watering to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.

Lewis' mock-orange likes soil that is well draining. Your plant shouldn't need added fertilizers if you repot each time it doubles in size.

Lewis' mock-orange belongs to the philadelphus genus, and is native to Western North America.


Philadelphus lewisii

How to care for Lewis' mock-orange


How often to water your Lewis' mock-orange

Water needs for Lewis' mock-orange
0.5 cups
every 9

Lewis' mock-orange needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Portland, Oregon.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

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 Lewis' mock-orange in Portland, Oregon

Portland, Oregon

38% Low

Growing Lewis' mock-orange in Portland right now

Light needs for plant Lewis' mock-orange in Portland, Oregon

Plant growth potential is currently very low 📉

December 1st, 2021

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

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

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Light needs for plant Lewis' mock-orange in Portland, Oregon

Sunlight intensity will decrease by 35.6% ☀️

December 1st, 2021

Portland is trending towards lower sunlight intensity!

The amount of sunlight in Portland is expected to decrease by 35.6% over the next 2 weeks to an average of 5.4 megajoules of energy per m2 pe…

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Light needs for plant Lewis' mock-orange in Portland, Oregon

Daylight will decrease by 1.3 hours 📉

December 1st, 2021

This month, Portland is getting an average of 8.6 hours of clear sky sunlight per day.

Hours of daylight will decrease by 13.7% over the next two weeks. Your plants will get 8.5 total hours of day…

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Finding light for Lewis' mock-orange in your home

Light needs and placement for plant Lewis' mock-orange: 1ft from a window
1ft or less from
a window

Lewis' mock-orange 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 Portland, Oregon ⛅.

Lewis' mock-orange does not tolerate low-light 🚫.


How to fertilize Lewis' mock-orange

Nutrient, fertilizer, and repotting needs for Lewis' mock-orange: 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 Lewis' mock-orange after it doubles in size or once a year—whichever comes first.

When to repot Lewis' mock-orange

Nutrient needs for plant Lewis' mock-orange in Portland, Oregon

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

November 27th, 2021

The growing potential in Portland 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
Growth Pattern
Growing Outdoors

Care Summary for Lewis' mock-orange

Lewis' mock-orange

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

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