# balloonplant (*Gomphocarpus physocarpus*)

The balloon plant is a fun and unique plant that has big, round seed pods that look like balloons! It grows tall and can be found in sunny places, making it a cheerful addition to gardens.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 3
- **Habitat:** Grasslands
- **Also known as:** Cotton Bush, Silk Plant

![balloonplant](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Asclepias_physocarpa2.jpg&width=800)

Photo: KENPEI, CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Asclepias_physocarpa2.jpg)

## Appearance

The balloonplant has distinctive, pale green, bladder-like seed pods that resemble inflated balloons. Its stems are upright, bearing narrow, lance-shaped green leaves and clusters of small, white to cream flowers with a purplish center.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Gentianales
- **Family:** Apocynaceae
- **Genus:** Gomphocarpus

## Interesting facts

- In some places, people call it "Hairy Balls" due to the fuzzy texture of its pods!
- Its scientific name, physocarpus, means "bladder-fruit" because of its puffy pods!
- The 'balloons' are actually seed pods and can grow larger than a golf ball!
- The balloonplant is related to milkweeds, a favorite food of Monarch butterflies!

## Special abilities

- **Sap Shield:** Balloonplant produces a milky white sap containing toxins, which deters most herbivores from munching on its leaves and stems.
- **Caterpillar Cuisine:** Balloonplant provides food for Monarch butterfly caterpillars, who eat its leaves and absorb its toxins for their own defense.

## Measurements & details

- **Height:** 100-200 cm
- **Spread:** 50-100 cm
- **Flower Size:** 1-2 cm
- **Bloom Season:** Summer to Fall
- **Edible:** No
- **Toxicity:** Mild
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Eats:** [Monarch Butterfly](https://www.snappit.app/explore/monarch-butterfly) (*Danaus plexippus*) — Caterpillars feed on leaves, absorbing toxins for defense.
- **Pollinates:** European Honey Bee (*Apis mellifera*) — Visits flowers for nectar, aiding in plant reproduction.
- **Depends on:** Milkweed Bug (*Lygaeus equestris*) — Feeds on seeds and sap of milkweeds, including balloonplant.

## 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.
- [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.
- [Evergreen](https://www.snappit.app/explore/traits/evergreen): Evergreen plants retain their foliage throughout the year, never shedding all their leaves at once.
- [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 wash your hands after touching plants, just to be safe!

## Frequently Asked Questions

### How to identify balloonplant?

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 balloonplant?

100-200 cm

### How wide does balloonplant spread?

50-100 cm

### How big are the flowers on balloonplant?

1-2 cm

### When does balloonplant bloom?

Summer to Fall

### Is balloonplant edible?

No

### Is balloonplant toxic?

Mild

### What is balloonplant's lifecycle?

Perennial

## Where to spot

- [Enchanted Floral Gardens of Kula](https://www.snappit.app/guides/places/enchanted-floral-gardens-of-kula) — Hawaii, US · Botanical Garden
- [John C. Gifford Arboretum](https://www.snappit.app/guides/places/john-c-gifford-arboretum) — Florida, US · Botanical Garden
- [MacFarlane Homestead Historic District](https://www.snappit.app/guides/places/macfarlane-homestead-historic-district) — Florida, US · Historic District

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

## 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: [Balloonplant: Facts & Places to See — Snappit](https://www.snappit.app/explore/balloonplant)
