# Hairy Bittercress (*cardamine hirsuta*)

Hairy Bittercress is a small plant with pretty white flowers that bloom in the spring. It's fun to spot in gardens and parks because it often grows in clusters!

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 0/5 · No known danger
- **Snaps:** 6
- **Habitat:** Moist and shady places like gardens, parks, and woodlands.
- **Also known as:** bittercress, land cress, rock cress

![Hairy Bittercress](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Cardamine_hirsuta.jpg&width=800)

Photo: No machine-readable author provided. Velela assumed (based on copyright claims)., Public domain · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Cardamine_hirsuta.jpg)

## Appearance

The Hairy Bittercress is a small, low-growing plant with a rosette of lobed, dark green leaves often tinged purple at the base. It has slender stems topped with clusters of tiny white, four-petaled flowers, which distinguish it from many larger garden weeds.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Brassicales
- **Family:** Brassicaceae
- **Genus:** Cardamine

## Interesting facts

- Even when cut back, this plant can quickly regrow and produce more seeds!
- It can produce over 5,000 tiny seeds from just one plant in a single season!
- Its peppery leaves are a favorite addition to salads, adding a zesty mustard flavor.
- The 'bittercress' part of its name comes from its slightly bitter, peppery taste.

## Special abilities

- **Explosive Seed Launcher:** Hairy Bittercress can launch its seeds up to several meters away using spring-loaded pods, helping it spread rapidly across areas.
- **Winter Survivor:** This plant can germinate and grow even in cold winter months, giving it a head start over many other plants in spring.
- **Rapid Life Cycle:** Hairy Bittercress matures and produces seeds incredibly fast, allowing it to complete its life cycle before competitors take over.

## Measurements & details

- **Height:** 5-30 cm
- **Spread:** 10-20 cm
- **Flower Size:** 0.2-0.4 cm
- **Bloom Season:** Spring to autumn
- **Edible:** Yes
- **Toxicity:** None
- **Lifecycle:** Annual
- **Pollination Method:** Self

## Ecological connections

- **Eats:** [Garden Snail](https://www.snappit.app/explore/garden-snail) (*Helix aspersa*) — Snails often munch on its leaves.
- **Eats:** Spanish Slug (*Arion lusitanicus*) — Slugs are known to feed on its foliage.
- **Pollinates:** European Honey Bee (*Apis mellifera*) — Honey bees visit its small white flowers.

## Traits

- [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
- [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals.
- [Herbivorous](https://www.snappit.app/explore/traits/herbivorous): This trait characterizes organisms whose diet consists entirely or primarily of plant material.
- [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:** 0/5 · No known danger

No special safety notes yet.

## Frequently Asked Questions

### How to identify Hairy Bittercress?

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 Hairy Bittercress?

5-30 cm

### How wide does Hairy Bittercress spread?

10-20 cm

### How big are the flowers on Hairy Bittercress?

0.2-0.4 cm

### When does Hairy Bittercress bloom?

Spring to autumn

### Is Hairy Bittercress edible?

Yes

### Is Hairy Bittercress toxic?

None

### What is Hairy Bittercress's lifecycle?

Annual

## Where to spot

- [Dundee Canal](https://www.snappit.app/guides/places/dundee-canal) — New Jersey, US · Historic Site
- [East Over Reservation](https://www.snappit.app/guides/places/east-over-reservation) — Massachusetts, US · Nature Reserve
- [Green Brook Park](https://www.snappit.app/guides/places/green-brook-park) — New Jersey, US · Park
- [Hastings Hill Historic District](https://www.snappit.app/guides/places/hastings-hill-historic-district) — Connecticut, US · Historic District
- [Orient Historic District](https://www.snappit.app/guides/places/orient-historic-district) — New York, US · Historic District
- [Southampton Village Historic District](https://www.snappit.app/guides/places/southampton-village-historic-district) — New York, US · Historic District

[View all places to see Hairy Bittercress](https://www.snappit.app/guides/where-to-see/hairy-bittercress)

## 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: [Hairy Bittercress: Facts & Places to See — Snappit](https://www.snappit.app/explore/hairy-bittercress)
