# cup plant (*Silphium perfoliatum*)

The cup plant is a tall, bright yellow flower that grows in sunny places. Its leaves form cups that can hold rainwater, making it a fun plant for insects and birds.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 19
- **Habitat:** Wetlands

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

Photo: Public domain · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Cup_plant.jpg)

## Appearance

The cup plant has distinctive square stems and large, triangular leaves that fuse at their bases around the stem, forming cup-like structures. Its bright yellow, daisy-like flowers bloom atop tall stalks, making it easily noticeable in open fields.

## Taxonomy

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

## Interesting facts

- Birds love to drink water collected in its leaf-cups, making it a natural bird bath!
- Its strong square stem helps it stand tall even in windy weather!
- Native Americans once used cup plant for its medicinal properties and as chewing gum.
- This plant can grow taller than a grown-up, sometimes over 10 feet high!

## Special abilities

- **Water Collection Cups:** The cup plant has paired leaves that grow together around its stem, creating little cups that can hold rainwater for thirsty insects and birds.
- **Deep Roots for Drought:** Cup plant can send roots very deep into the soil to find water, helping it survive dry spells better than many other plants.
- **Pollinator Magnet:** Cup plant can attract many different bees and butterflies with its abundant nectar and pollen, making it a busy insect hub.

## Measurements & details

- **Height:** 180-300 cm
- **Spread:** 60-120 cm
- **Flower Size:** 5-8 cm
- **Bloom Season:** Summer to early fall
- **Edible:** Yes
- **Toxicity:** None
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Pollinates:** honey bee (*Apis mellifera*) — Gathers nectar and pollen
- **Pollinates:** [common eastern bumble bee](https://www.snappit.app/explore/common-eastern-bumble-bee) (*Bombus impatiens*) — Important native pollinator
- **Pollinates:** [Monarch butterfly](https://www.snappit.app/explore/monarch-butterfly) (*Danaus plexippus*) — Visits flowers for nectar
- **Eaten by:** [elk](https://www.snappit.app/explore/elk) (*Cervus canadensis*) — Browses young plants
- **Eaten by:** [white-tailed deer](https://www.snappit.app/explore/white-tailed-deer) (*Odocoileus virginianus*) — Feeds on foliage

## Traits

- [Deciduous](https://www.snappit.app/explore/traits/deciduous): Deciduous plants periodically shed all their leaves, typically during autumn or dry seasons.
- [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle.
- [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.
- [Broadleaf Tree](https://www.snappit.app/explore/traits/broadleaf-tree): Broadleaf trees are angiosperms characterized by flat, wide leaves that are typically shed annually in temperate climates.
- [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.
- [Wetland](https://www.snappit.app/explore/traits/wetland): This habitat trait identifies species found in wetlands, which are areas of land saturated with water, either permanently or seasonally, including marshes, swamps, and bogs.
- [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:** 1/5 · Very low

Always look but don't touch plants without asking an adult.

## Frequently Asked Questions

### How to identify cup plant?

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 cup plant?

180-300 cm

### How wide does cup plant spread?

60-120 cm

### How big are the flowers on cup plant?

5-8 cm

### When does cup plant bloom?

Summer to early fall

### Is cup plant edible?

Yes

### Is cup plant toxic?

None

### What is cup plant'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
- [Bixby State Preserve](https://www.snappit.app/guides/places/bixby-state-preserve) — Iowa, US · Nature Reserve
- [Cedar Valley Arboretum & Botanic Gardens](https://www.snappit.app/guides/places/cedar-valley-arboretum-and-botanic-gardens) — Iowa, US · Botanical Garden
- [Centennial Arboretum](https://www.snappit.app/guides/places/centennial-arboretum) — Pennsylvania, US · Botanical Garden
- [Cleveland Cultural Gardens](https://www.snappit.app/guides/places/cleveland-cultural-gardens) — Ohio, US · Park
- [High Trestle Trail](https://www.snappit.app/guides/places/high-trestle-trail) — Iowa, US · Trail

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

## 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: [Cup Plant: Characteristics, Facts & Places to See — Snappit](https://www.snappit.app/explore/cup-plant)
