# Plume Thistles (*Cirsium*)

Plume thistles are tall plants with fluffy, purple flowers that look like little puffs of cotton! They grow in sunny places and are loved by butterflies and bees.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 2/5 · Low
- **Habitat:** Grasslands

![Plume Thistles](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Cirsium_arvense_-_p%C3%B5ldohakas.jpg&width=800)

Photo: Ivar Leidus, CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Cirsium_arvense_-_p%C3%B5ldohakas.jpg)

## Appearance

The Plume Thistles has stout, often spiny stems with deeply lobed, prickly leaves that are usually green to silvery-green. Its distinctive flower heads are typically purple, pink, or sometimes white, appearing as fluffy, rounded clusters at the stem tops, encircled by thorny bracts.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Asterales
- **Family:** Asteraceae
- **Genus:** Cirsium

## Interesting facts

- Bumblebees and butterflies adore thistle flowers, buzzing around for their sweet nectar!
- Even with their sharp spines, goldfinches love to eat thistle seeds from the flower heads.
- The fluffy seeds can travel for miles on the wind, like tiny parachutes seeking new homes.
- You can actually eat young thistle stems and roots, but be careful of the prickles!

## Special abilities

- **Spiny Defender:** Plume Thistles has sharp spines on its leaves and stems that help it defend against hungry herbivores.
- **Windy Wanderer:** Plume Thistles can spread its seeds far and wide, thanks to a fluffy pappus that helps them float on the wind.
- **Deep Drinker:** Plume Thistles has a long taproot that helps it reach deep underground water sources, surviving dry conditions.

## Measurements & details

- **Height:** 50-250 cm
- **Spread:** 30-100 cm
- **Flower Size:** 2-6 cm
- **Bloom Season:** Summer
- **Edible:** Yes
- **Toxicity:** Mild
- **Lifecycle:** Biennial
- **Pollination Method:** Insect

## Ecological connections

- **Eats:** [American Goldfinch](https://www.snappit.app/explore/american-goldfinch) (*Carduelis tristis*) — Feeds on ripe thistle seeds
- **Pollinates:** Honey Bee (*Apis mellifera*) — Collects nectar and pollen
- **Eaten by:** [Painted Lady](https://www.snappit.app/explore/painted-lady) (*Vanessa cardui*) — Larvae feed on thistle leaves
- **Pollinates:** Common Eastern Bumblebee (*Bombus impatiens*) — Visits flowers for nectar

## Traits

- [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle.
- [Biennial](https://www.snappit.app/explore/traits/biennial): Biennial plants complete their life cycle over two growing seasons, typically forming foliage in the first year and flowering/seeding in the second.
- [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.
- [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.
- [Rapid Growing](https://www.snappit.app/explore/traits/rapid-growing): Rapid growing plants exhibit accelerated growth rates, quickly increasing in size and biomass within a short period.
- [Keystone Species](https://www.snappit.app/explore/traits/keystone-species): Describes a species whose presence and role have a disproportionately large effect on its environment.

## Collections

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

## Safety

**Danger:** 2/5 · Low

Be careful around thistles, as their leaves can be prickly!

## Frequently Asked Questions

### How to identify Plume Thistles?

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 Plume Thistles?

50-250 cm

### How wide does Plume Thistles spread?

30-100 cm

### How big are the flowers on Plume Thistles?

2-6 cm

### When does Plume Thistles bloom?

Summer

### Is Plume Thistles edible?

Yes

### Is Plume Thistles toxic?

Mild

### What is Plume Thistles's lifecycle?

Biennial

## 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: [Plume Thistles: Facts & Places to See — Snappit](https://www.snappit.app/explore/plume-thistles)