Plant Care Cascade Penstemon

Cascade Penstemon

Also known as

Cascade penstemon, coast penstemon and serrulate penstemon


Penstemon serrulatus

How to care for Cascade Penstemon


How often to water your Cascade Penstemon

Water needs for Cascade Penstemon
0.5 cups
every 9

Cascade Penstemon needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Aloha, 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 Cascade Penstemon in Aloha, Oregon

Aloha, Oregon

38% Low

Finding light for Cascade Penstemon in your home

Light needs and placement for plant Cascade Penstemon: 1ft from a window
1ft or less from
a window

Cascade Penstemon 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 Aloha, Oregon ⛅.

Cascade Penstemon does not tolerate low-light 🚫.


How to fertilize Cascade Penstemon

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

Water Needs
Sunlight Needs
Growth Pattern

Care Summary for Cascade Penstemon

Cascade Penstemon

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

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