ExplorePlants

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.

Habitat: Urban areas

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.

KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderLamialesFamilyBignoniaceaeGenusCatalpa
southern catalpa
deciduous trait badgeflowering trait badgeshade_tolerant trait badgebroadleaf_tree trait badge
southern catalpa

Category

Plants

Rarity

Common

Danger

1/5 · Very low

Snaps

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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

Ability

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.

Ability

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.

Ability

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.

shelters

eastern gray squirrel

Sciurus carolinensis

Provides shelter and nesting sites within its canopy.

Traits

Also known as

No aliases listed yet.

Collections

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 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

How is southern catalpa pollinated?

Insect

Snap Map

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