Nyssa sylvatica

Nyssa sylvatica
Nyssa sylvatica 
black gum, sour gum, tupelo
SIZE/TYPE tall tree
USUAL HEIGHT 10-15m
USUAL WIDTH 6-9m
LEAVES deciduous broadleaf
COLOUR OF LEAVES green
FLOWERS insignificant or non-blooming
COLOUR OF FLOWERS
BLOOMING TIME
LOCATION full sun
USDA zone (lowest) 4   (down to -34°C)
WINTER PROTECTION  
FOR ZONE 5+6 Code of winter protection zone 5+6
FOR ZONE 7 Code of winter protection zone 7
BELONGS TO CATEGORIES Deciduous broadleaf
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Latin name Nyssa is identical to a Green water nymph, possibly as beautiful as this unique tree from North America. Its common names are black gum, sour gum or just tupelo. It is a slow growing yet large, deciduous tree with fantastic colours of autumn foliage. The leaves quite variable, they can be ovate or obovate or even elliptic, serrated at margins or smooth, and glossy. In spring and summer they are fresh green, and in autumn they turn a striking combination of golden yellow, orange, scarlet red and crimson purple.

Tupelo forms a broadly conical to pyramidal habit, old trees flatten their crowns. Its branches form horizontal layers and may droop at ends. Naturally it grows like a tree with more than one leader which brings more foliage and denser habit. The trunk is chocolate brown and heavily furrowed when old.

Tupelo hates transplanting owing to its taproot. We suggest working with potted plants only and find your tree a place where it will stay put once you plant it there. The soil should be acidic or at least neutral in pH, never alkaline. Make sure the ground is deep, reasonably drained but retaining moisture. It loves sun and space – even though it grows slowly, in maturity it can grow 6-9m wide and about 15m tall. Pruning, if needed, should be done in late autumn before frosts or in late winter. Hardy to min. -34°C (USDA zone 4).

Last update 11-03-2014
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Parrotia persica
GLOSSARY
  • STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
  • DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
  • EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
  • STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
  • HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
  • SHRUB - a woody plant with branches growing bushy from the ground level.
  • HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
  • FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
  • GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.
LARGE PLANTS over 150 cmspecimens, screening and hedging shrubs

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