# southern catalpa (*Catalpa bignonioides*)

The southern catalpa is a beautiful tree with large, heart-shaped leaves and lovely white flowers. It can grow quite tall and provides shade for people and animals alike.

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

![southern catalpa](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Catalpa_bignonioides_05.jpg&width=800)

Photo: Zeynel Cebeci, CC BY-SA 4.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Catalpa_bignonioides_05.jpg)

## Appearance

The southern catalpa has very large, light green, heart-shaped leaves and showy white, bell-shaped flowers with purple spots and yellow stripes. Its most distinctive feature is the long, slender, bean-like seed pods that hang from its branches through winter.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Lamiales
- **Family:** Bignoniaceae
- **Genus:** Catalpa

## Interesting facts

- Catalpa worms, a prized fishing bait, are actually caterpillars that only eat catalpa leaves!
- Its wood is incredibly rot-resistant, making it a favorite for fence posts that last ages!
- Some people call it the "cigar tree" because its long, slender seed pods look just like cigars!
- The tree's giant leaves can sometimes grow over a foot long, making them feel like elephant ears!

## Special abilities

- **Super Seed Dispersal:** Southern catalpa has long, persistent seed pods that allow seeds to scatter gradually throughout winter, maximizing their chance to find good soil.
- **Pollinator Beacon:** Its showy white flowers have purple and yellow markings that act as 'nectar guides,' directing insects straight to the pollen for efficient pollination.
- **Fast Grower:** The southern catalpa can grow surprisingly fast, quickly establishing itself in sunny spots and reaching for the sky to get more sunlight.

## Measurements & details

- **Height:** 1000-1800 cm
- **Spread:** 600-1200 cm
- **Flower Size:** 3-5 cm
- **Bloom Season:** Summer
- **Edible:** No
- **Toxicity:** Mild
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Eaten by:** catalpa sphinx moth (*Ceratomia catalpae*) — Its leaves are the sole food source for these caterpillars.
- **Pollinates:** honey bee (*Apis mellifera*) — Bees are attracted to its nectar-rich, showy flowers.
- **Shelter:** [eastern gray squirrel](https://www.snappit.app/explore/eastern-gray-squirrel) (*Sciurus carolinensis*) — Provides shelter and nesting sites within its canopy.

## 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.
- [Shade Tolerant](https://www.snappit.app/explore/traits/shade-tolerant): Shade tolerant plants are adapted to grow and thrive in areas with low light levels, requiring less direct sunlight.
- [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.
- [Timber](https://www.snappit.app/explore/traits/timber): Timber refers to wood that has been prepared for use in building and carpentry.
- [Urban Friendly](https://www.snappit.app/explore/traits/urban-friendly): This habitat trait indicates species that can coexist with humans in urban and suburban environments, utilizing man-made structures and green spaces.

## Collections

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

## Safety

**Danger:** 1/5 · Very low

Be careful not to climb too high in trees, and always ask an adult for help.

## Frequently Asked Questions

### How to identify southern catalpa?

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 southern catalpa?

1000-1800 cm

### How wide does southern catalpa spread?

600-1200 cm

### How big are the flowers on southern catalpa?

3-5 cm

### When does southern catalpa bloom?

Summer

### Is southern catalpa edible?

No

### Is southern catalpa toxic?

Mild

### What is southern catalpa's lifecycle?

Perennial

## Where to spot

- [Fürstlich Greizer Park](https://www.snappit.app/guides/places/furstlich-greizer-park) — Thüringen, DE · Park
- [Ostdeutscher Rosengarten Forst (Lausitz)](https://www.snappit.app/guides/places/ostdeutscher-rosengarten-forst-lausitz) — Brandenburg, DE · Park
- [Stadtpark (Mainz)](https://www.snappit.app/guides/places/stadtpark-mainz) — Rheinland-Pfalz, DE · Park

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

## 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: [Southern Catalpa: Facts & Places to See — Snappit](https://www.snappit.app/explore/southern-catalpa)
