Large Heart-Shaped Leaves
Produces oversized, attractive green leaves that create a bold tropical appearance and provide generous shade.
Estimated Delivery:Nov 21 - Nov 25
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Northern Catalpa (Catalpa speciosa), also known as Hardy Catalpa or Cigar Tree, is a fast-growing deciduous tree admired for its enormous heart-shaped green leaves, attractive white bell-shaped flowers, and distinctive long seed pods. Native to parts of the central and eastern United States, this ornamental shade tree adds character to large gardens, parks, lawns, and landscape spaces. Northern Catalpa grows well in a range of soil conditions and is valued for its adaptability, attractive seasonal flowers, and broad canopy.
Produces oversized, attractive green leaves that create a bold tropical appearance and provide generous shade.
Develops clusters of white, bell-shaped flowers featuring distinctive purple markings and yellow patterns.
Establishes relatively quickly and develops a broad canopy suitable for large outdoor landscapes.
Grows in full sun to partial shade and tolerates a range of soil moisture conditions once established.
| Scientific Name | Catalpa speciosa |
| Common Name | Northern Catalpa, Hardy Catalpa, Western Catalpa, Cigar Tree |
| Plant Family | Bignoniaceae |
| Plant Type | Deciduous Ornamental Tree |
| Seed Type | Tree Seeds |
| Growth Habit | Upright tree with a broad, irregular oval canopy |
| Flower Color | White with purple markings and yellow patterns |
| Blooming Season | Late Spring to Early Summer |
| Foliage | Large, green, heart-shaped leaves |
| Fruit | Long, narrow, cigar-shaped seed capsules |
| USDA Hardiness Zones | 4–8 |
| Planting Season | Late Spring, after suitable growing conditions begin |
| Seed Starting | Direct sowing or starting in nursery containers; cover lightly with soil |
| Germination Time | Approximately 8–21 days under suitable conditions; quality seeds may germinate sooner |
| Germination Temperature | Approximately 20–30°C (68–86°F), using alternating day and night temperatures |
| Cold Stratification | Generally Not Required |
| Sunlight | Full Sun to Partial Shade |
| Soil Requirements | Deep, moist, well-drained soil; tolerates a range of soil conditions |
| Watering | Keep soil consistently moist during establishment; reduce watering after establishment according to conditions |
| Mature Plant Height | Approximately 40–70 feet |
| Mature Plant Spread | Approximately 20–50 feet, depending on growing conditions |
| Growth Rate | Moderate to Fast |
| Plant Spacing | Allow approximately 30–50 feet of space for mature landscape trees, depending on the intended layout |
| Landscape Uses | Shade Gardens, Parks, Large Lawns, and Ornamental Landscapes |
Bring natural beauty and impressive shade to your landscape with Northern Catalpa. Its oversized heart-shaped leaves, elegant white flower clusters, and distinctive long seed pods make it an attractive addition to spacious outdoor gardens. With suitable sunlight, well-drained soil, and proper care, Northern Catalpa can develop into a striking landscape tree for years to come. Allow plenty of growing space when choosing its permanent planting location.
Learn about Northern Catalpa seed germination, tree growth, and flowering characteristics before planting.
Northern Catalpa seeds can germinate in approximately 8–21 days under suitable conditions. Good-quality seeds may germinate in about 12 days when provided with appropriate warmth and moisture. Sow seeds lightly in a moist growing medium and avoid allowing the soil to dry out during germination.
Northern Catalpa is a moderately to fast-growing deciduous tree. Mature trees commonly reach approximately 40–70 feet tall, with a spread of around 20–50 feet. Growth depends on sunlight, soil quality, moisture, and local climate. Provide plenty of space for its mature canopy.
Northern Catalpa generally blooms in late spring to early summer. Its flowers grow in attractive clusters and feature white, bell-shaped petals with distinctive purple markings and yellow patterns inside. These flowers attract bees and other visiting insects, adding seasonal interest to the landscape.