Plant Care Blue porterweed

Blue porterweed

Also known as

Blue snake weed, Bastard vervain, Brazilian tea, Jamaica vervain and Light-blue snakeweed


Stachytarpheta jamaicensis

How to care for Blue porterweed


How often to water your Blue porterweed

Water needs for Blue porterweed
0.5 cups
every 9

Blue porterweed needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.

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 Blue porterweed

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.

Select a city to check sunlight intensity

Finding light for Blue porterweed in your home

Light needs and placement for plant Blue porterweed: 3ft from a window
3ft or less from
a window

Blue porterweed may have difficulty thriving, and will drop leaves 🍃, without ample sunlight.

Place it less than 3 feet from a south-facing window to maximize the potential for growth.

Select your city to see how the current weather in your area affects the placement of Blue porterweed in your home 🏡.


How to fertilize Blue porterweed

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

Care Summary for Blue porterweed

Blue porterweed

Blue porterweed

Greg recommends:


0.5 cups every 9 days


< 3ft from a window


Repot after 2x growth

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

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