# Cascade Oregon-grape (*Berberis nervosa*)

The Cascade Oregon-grape is a small shrub with shiny green leaves and bright yellow flowers. It produces blue berries that are loved by birds and can be used to make jelly!

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 2
- **Habitat:** Forests

![Cascade Oregon-grape](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Mahonia_nervosa_5003.JPG&width=800)

Photo: Walter Siegmund (talk), CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Mahonia_nervosa_5003.JPG)

## Appearance

The Cascade Oregon-grape has tough, spiny, evergreen leaves that are shiny dark green and resemble holly. Its bright yellow flowers grow in upright clusters, turning into powdery blue, grape-like berries in late summer. In fall, its leaves can take on purplish-red hues.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Ranunculales
- **Family:** Berberidaceae
- **Genus:** Mahonia

## Interesting facts

- Despite its name, Oregon-grape isn't a true grape; it's related to barberries!
- Indigenous peoples historically used parts of this plant for traditional medicines.
- Its stiff, spiky leaves make a great hiding spot and shelter for small forest creatures.
- The plant's roots and inner bark can be used to make a yellow dye for fabrics!

## Special abilities

- **Year-Round Greenery:** Cascade Oregon-grape has thick, waxy, evergreen leaves that help it stay green and make food all year, even in winter!
- **Tart Berry Shield:** Its tart berries are a tasty treat for birds and other animals, helping spread its seeds widely across the forest floor.
- **Tough Roots:** This plant has a strong root system that helps it find water and nutrients, even in dry or poor soils.

## Measurements & details

- **Height:** 30-90 cm
- **Spread:** 30-120 cm
- **Flower Size:** 0.5-0.8 cm
- **Bloom Season:** Late winter to early spring
- **Edible:** Yes
- **Toxicity:** None
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Eaten by:** [American Robin](https://www.snappit.app/explore/american-robin) (*Turdus migratorius*) — eats berries, spreading seeds
- **Eaten by:** American Black Bear (*Ursus americanus*) — forages for berries in late summer
- **Pollinates:** Western Bumble Bee (*Bombus occidentalis*) — attracts with bright yellow early spring flowers
- **Shelter:** [Northern Alligator Lizard](https://www.snappit.app/explore/northern-alligator-lizard) (*Elgaria coerulea*) — hides amongst its dense, spiky leaves

## Traits

- [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle.
- [Shrub](https://www.snappit.app/explore/traits/shrub): A shrub is a woody plant smaller than a tree, typically with multiple stems branching from or near the ground.
- [Evergreen](https://www.snappit.app/explore/traits/evergreen): Evergreen plants retain their foliage throughout the year, never shedding all their leaves at once.
- [Fruit Bearing](https://www.snappit.app/explore/traits/fruit-bearing): Fruit-bearing plants produce fruits, which are the mature ovaries of flowering plants containing seeds.
- [Edible](https://www.snappit.app/explore/traits/edible): Edible plants are those parts of a plant that are considered safe for human consumption.
- [Fall Color](https://www.snappit.app/explore/traits/fall-color): Fall color refers to the seasonal change in foliage pigmentation, primarily in deciduous plants, displaying vibrant hues.
- [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms.
- [Forest](https://www.snappit.app/explore/traits/forest): Forest habitats are terrestrial environments dominated by dense tree cover, supporting a high diversity of plant and animal life.
- [Pollinator](https://www.snappit.app/explore/traits/pollinator): Describes organisms that transfer pollen, enabling the fertilization and reproduction of plants.

## Collections

- [Plants](https://www.snappit.app/explore/collections/plants)

## Safety

**Danger:** 1/5 · Very low

Always ask an adult before picking any berries or plants.

## Frequently Asked Questions

### How to identify Cascade Oregon-grape?

Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details.

### How tall is Cascade Oregon-grape?

30-90 cm

### How wide does Cascade Oregon-grape spread?

30-120 cm

### How big are the flowers on Cascade Oregon-grape?

0.5-0.8 cm

### When does Cascade Oregon-grape bloom?

Late winter to early spring

### Is Cascade Oregon-grape edible?

Yes

### Is Cascade Oregon-grape toxic?

None

### What is Cascade Oregon-grape's lifecycle?

Perennial

## Where to spot

- [Englishman River Falls Provincial Park](https://www.snappit.app/guides/places/englishman-river-falls-provincial-park) — British Columbia, CA · State Park
- [Ross Lake National Recreation Area](https://www.snappit.app/guides/places/ross-lake-national-recreation-area) — Washington, US · National Park
- [Cushman Dam](https://www.snappit.app/guides/places/cushman-dam) — Washington, US · Historic Site
- [Dunsmuir Botanical Gardens](https://www.snappit.app/guides/places/dunsmuir-botanical-gardens) — California, US · Botanical Garden
- [Hoyt Arboretum](https://www.snappit.app/guides/places/hoyt-arboretum) — Oregon, US · Botanical Garden
- [Leach Botanical Garden](https://www.snappit.app/guides/places/leach-botanical-garden) — Oregon, US · Botanical Garden

[View all places to see Cascade Oregon-grape](https://www.snappit.app/guides/where-to-see/cascade-oregon-grape)

## More Plants

- [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*)
- [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*)
- [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*)
- [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*)

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Source: [Cascade Oregon-grape: Facts & Places to See — Snappit](https://www.snappit.app/explore/cascade-oregon-grape)
