Catalpa speciosa – Western Catalpa, Northern Catalpa, Hardy Catalpa

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Bignoniaceae

Catalpa speciosa – Western Catalpa, Northern Catalpa, Hardy Catalpa

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A tree from the United States of America where it is found in open forests. It is also planted there for the production of, among other things, telephone poles. The crown is more upright than C. bignonioides which makes it wider applicable. The bark is grey brown and peels in long, narrow plates, the twigs break easily and turn from olive green to grey. The acuminate and entire, heart-shaped leaf is dull dark green, appears late in spring and is shed relatively early. It is thicker than of C. bignonioides and hardly emits the smell that is so characteristic for other varieties. The inflorescence is less profuse than of C. bignonioides, but the flowers are between themselves slightly bigger, to circa 6 cm. They are white and have purple and orange spots. The slender capsules are remarkably long.

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Specifications
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Height
15 - 20 (30) m , fast growing
Width
9-15m
Crown
upright, loosely pyramidal, sometimes round, half-open crown, capricious growing
Bark and branches
grey, fissured, peeling in long, narrow plates
Leaf
heart-shaped, dark green, 15 - 25 cm
Flowers
white, in wide, circa 16 cm long panicles, May/June
Fruits
long, slender capsules, sometimes to 50 cm
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
few requirements, not too wet
Paving
tolerates paving
Winter hardiness zone
6a (-23,3 to -20,6 °C)
Wind resistance
moderate to poor
Other resistances
resistant to frost (WH 1 - 6)
Fauna tree
valuable for bees (honey plant)
Shape
clearstem tree, multi-stem treem
Origin
United States of America
Clear stem tree Multi-stem tree clay soil loamy soil sandy soil tolerates paving resistant to frost (WH 1 - 6) broad ovoid 1st size , taller than 12 metres half-open crown green May fast growing Conspicuous bloom all species valuable for bees (honey plant) non-toxic (usually) Capricious growing Ornamental fruit playground tree
Frequently asked questions
Catalpa speciosa

Catalpa speciosa can eventually reach a height of 15 - 20 (30) m , fast growing, depending on the site and climate conditions.

Catalpa speciosa is fast growing and can eventually reach a height of 15 - 20 (30) m , fast growing, depending on the site and climate conditions.

The right time to plant Catalpa speciosa is during the dormancy period. In Western Europe, Catalpa speciosa with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.

Catalpa speciosa blooms in may.
General