# purple crownvetch (*Securigera varia*)

Purple crownvetch is a beautiful plant with lovely purple flowers that bloom in spring and summer. It grows low to the ground and is often found in fields and along roadsides.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 128
- **Habitat:** Grasslands

![purple crownvetch](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/20170715Securigera_varia1.jpg&width=800)

Photo: AnRo0002, CC0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:20170715Securigera_varia1.jpg)

## Appearance

The purple crownvetch has clusters of small, delicate pinkish-purple flowers that resemble tiny crowns. Its long, slender stems vine across the ground, covered with compound leaves made up of many small, oval leaflets, creating dense green mats.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Fabales
- **Family:** Fabaceae
- **Genus:** Coronilla

## Interesting facts

- Crownvetch can grow so fast and thick, it can cover and shade out other plants nearby!
- Each little flower looks just like a tiny pea, but it grows in a bundle, not a pod!
- Its strong roots can grow down several feet, making it super tough to remove!
- The unique flower clusters are shaped like a small 'crown,' giving the plant its royal name.

## Special abilities

- **Soil Binder:** Purple crownvetch has deep, spreading roots that help it hold soil firmly, preventing erosion on slopes and disturbed ground.
- **Nitrogen Boost:** Purple crownvetch can take nitrogen from the air and put it into the soil, making it richer for itself and other plants.

## Measurements & details

- **Height:** 30-90 cm
- **Spread:** 150-400 cm
- **Flower Size:** 0.5-1 cm
- **Bloom Season:** Late spring to early fall
- **Edible:** No
- **Toxicity:** Moderate
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Pollinates:** European honey bee (*Apis mellifera*) — Visits flowers for nectar and pollen.
- **Symbiotic with:** Rhizobium bacteria (*Rhizobium leguminosarum*) — Lives in roots, converting atmospheric nitrogen into nutrients.
- **Eaten by:** [white-tailed deer](https://www.snappit.app/explore/white-tailed-deer) (*Odocoileus virginianus*) — White-tailed deer may browse foliage, especially when other food is scarce.

## Traits

- [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle.
- [Nitrogen Fixing](https://www.snappit.app/explore/traits/nitrogen-fixing): Describes organisms capable of converting atmospheric nitrogen into compounds usable by plants.
- [Spring Blooming](https://www.snappit.app/explore/traits/spring-blooming): Spring blooming plants produce their flowers during the spring season, often signifying the end of winter and the start of new growth.
- [Summer Blooming](https://www.snappit.app/explore/traits/summer-blooming): Summer blooming plants produce their flowers during the summer season, often providing vibrant color when many other plants have finished.
- [Fragrant Flower](https://www.snappit.app/explore/traits/fragrant-flower): Fragrant flowers emit a pleasant aroma, often to attract pollinators or for defense.
- [Drought Tolerant](https://www.snappit.app/explore/traits/drought-tolerant): Drought-tolerant plants can survive and flourish in conditions with limited water availability.
- [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.
- [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.

## Collections

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

## Safety

**Danger:** 1/5 · Very low

Always look but don't touch plants unless you know they are safe!

## Frequently Asked Questions

### How to identify purple crownvetch?

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 purple crownvetch?

30-90 cm

### How wide does purple crownvetch spread?

150-400 cm

### How big are the flowers on purple crownvetch?

0.5-1 cm

### When does purple crownvetch bloom?

Late spring to early fall

### Is purple crownvetch edible?

No

### Is purple crownvetch toxic?

Moderate

### What is purple crownvetch's lifecycle?

Perennial

## Where to spot

- [Arden Park–East Boston Historic District](https://www.snappit.app/guides/places/arden-park-east-boston-historic-district) — Michigan, US · Historic District
- [Bald Eagle State Forest](https://www.snappit.app/guides/places/bald-eagle-state-forest) — Pennsylvania, US · Forest
- [Bellevue Avenue Historic District](https://www.snappit.app/guides/places/bellevue-avenue-historic-district) — Rhode Island, US · Historic District
- [Blackstone Boulevard–Cole Avenue–Grotto Avenue Historic District](https://www.snappit.app/guides/places/blackstone-boulevard-cole-avenue-grotto-avenue-historic-district) — Rhode Island, US · Historic District
- [Bristol Downtown Historic District](https://www.snappit.app/guides/places/bristol-downtown-historic-district) — Vermont, US · Historic District
- [Broadway-Armory Historic District](https://www.snappit.app/guides/places/broadway-armory-historic-district) — Rhode Island, US · Historic District

[View all places to see purple crownvetch](https://www.snappit.app/guides/where-to-see/purple-crownvetch)

## 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: [Purple Crownvetch: Facts & Places to See — Snappit](https://www.snappit.app/explore/purple-crownvetch)
