Catalpa Bignonioides aka Southern Catalpa 10 Seeds. Free Shipping!
Catalpa bignonioides, also known as the Southern Catalpa or Indian Bean Tree, is a deciduous tree that originates from the southeastern United States, including states like Alabama, Florida, Georgia, Louisiana, and Mississippi. It boasts large heart-shaped leaves, striking white flowers, and elongated seed pods, making it a popular choice for ornamental planting in gardens and parks.
Physical Characteristics
Size and Structure
Height: Usually grows between 25-40 feet (7.6-12.2 m), but can occasionally reach up to 60 feet.
Trunk: Short and stout, with a diameter that can reach up to 1 meter (3 ft 3 in).
Crown: Wide and irregular, featuring long, sprawling branches.
Leaves and Flowers
Leaves: Large and heart-shaped, measuring 20-30 cm (8-12 in) in length and 15-20 cm (6-8 in) in width. They are a vibrant green and emerge later in the season.
Flowers: White and trumpet-shaped, ranging from 2.5-4 cm across, blooming in clusters of 20-40 during June or early July. They have yellow spots on the inside and are well-known for their eye-catching look.
Fruit
Seed Pods: Long and slender, resembling bean pods, measuring 20-40 cm in length and 8-10 mm in diameter. These pods often stay attached to the tree throughout the winter.
Growing Conditions
Catalpa bignonioides thrives in full sun to partial shade and prefers moist soils, typically found near streams and riverbanks. It can tolerate a variety of soil types, including clay and wet conditions.
Ecological Relationships
This tree has a special relationship with the catalpa sphinx moth caterpillars, which munch on its leaves. In response to this damage, the tree produces extra nectar, which attracts ants that help defend it against further leaf-eating pests.
Uses and Cultivation
This tree is frequently used as an ornamental feature in gardens and parks because of its beautiful flowers and foliage. It has become well-regarded for its aesthetic appeal and fits well into various landscape designs, including children's gardens and butterfly gardens.
To plant Catalpa bignonioides seeds, start by soaking them in water for 24 hours. After that, mix the seeds with dry sand to make sowing easier. Fill your containers with high-quality potting compost, spread the seeds out on top, lightly cover them with soil, and keep the soil moist in a sheltered spot.
Preparing Catalpa Bignonioides Seeds
Seed Collection and Storage
Gather seed pods in the fall when they turn brown and start to split open.
Keep the seeds in a cool, dry area until you're ready to plant them.
For the best results, put the seeds in the fridge for three weeks before planting to mimic cold exposure.
Sowing Catalpa Bignonioides Seeds
Soil and Container Requirements
Use well-draining potting soil in 3-inch pots or a cold frame.
Make sure all pots have drainage holes.
Planting Steps
Soak Seeds: Soak the seeds in water for 24 hours before you plant them.
Prepare Soil: Fill the pots with potting soil.
Sow Seeds: Place three to four seeds on the surface of the soil or space them 1 inch apart in a cold frame.
Cover Seeds: Lightly cover the seeds with soil to their own depth.
Watering: Water gently until the moisture reaches 3 inches deep.
Aftercare for Seedlings
Light and Watering
Position the pots in a sheltered area with partial shade outdoors.
Water when the top of the soil feels dry.
Transplanting
Once the seedlings are 2 to 3 inches tall, move them to larger pots.
Use fresh potting soil and make sure they are planted at the same depth as before.
Keep growing the seedlings in pots until spring or summer of the next year, when they can be planted in the garden.
Ideal Growing Conditions
Catalpa bignonioides does best in full sun or partial shade.
It likes moist, fertile loam soil but can handle a variety of conditions, including heavy clay and seasonal flooding.
