Plant Care Purple Allamanda

Purple Allamanda

Also known as

Violet Allamanda, Violet Allamanda and Purple allamanda


Allamanda blanchetii

How to care for Purple Allamanda


How often to water your Purple Allamanda

Water needs for Purple Allamanda
0.5 cups
every 9

Purple Allamanda needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Boise, Idaho.

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 Purple Allamanda

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 Purple Allamanda in Boise, Idaho

Boise, Idaho

29% Very Low

Growing Purple Allamanda in Boise right now

Light needs for plant Purple Allamanda in Boise, Idaho

Plant growth potential is currently very low 📉

January 27th, 2023

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

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

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Light needs for plant Purple Allamanda in Boise, Idaho

Sunlight will increase by 36.3% ☀️

January 23rd, 2023

Boise is trending towards greater sunlight intensity!

The amount of sunlight in Boise is expected to increase by 36.3% over the next 2 weeks to an average of 8.6 megajoules of energy per m2 per da…

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Light needs for plant Purple Allamanda in Boise, Idaho

Daylight will increase by 1.1 hours 📈

January 27th, 2023

This month, Boise is getting an average of 7.7 hours of clear sky sunlight per day.

Hours of daylight will increase by 12.4% over the next two weeks. Your plants will get 10.1 total hours of dayli…

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Finding light for Violet Allamanda in your home

Light needs and placement for plant Purple Allamanda: 1ft from a window
1ft or less from
a window

Purple Allamanda 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 Boise, Idaho ⛅.

Purple Allamanda does not tolerate low-light 🚫.


How to fertilize Purple Allamanda

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

When to repot Purple Allamanda

Nutrient needs for plant Purple Allamanda in Boise, Idaho

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

January 23rd, 2023

The growing potential in Boise is 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 repot p…

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Water Needs
Sunlight Needs

Care Summary for Purple Allamanda

Purple Allamanda

Purple Allamanda

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

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