Cercis canadensis 'NC2016-2' ETERNAL FLAME (FLAME THROWER™) redbud
size/type
medium-sized shrub,taller shrub
usual height
2-4m
usual width
2-3m
leaves
deciduous broadleaf
colour of leaves
flowers
less showy but noticeable
colour of flowers
blooming time
April
location
full to partial sun
soil type
any (acidic to alkaline)
soil moisture requirements
evenly moist but well-drained
USDA zone (lowest)
5 (down to -29°C)
winter protection
for zone 5+6
for zone 7
categorized
Cercis
Eastern redbud is a lovely, deciduous, small tree or a large shrub where the word “love” is the key feature. Why? Because its leaves are in a perfect shape of a heart that we are used to drawing as an icon. There are quite a few varieties in trade today and they vary by leaf colour or plant habit or size. I am sure you can find a variety suitable for your garden.Description of the plant:
Dennis James Werner is a Distinguished Professor of Horticultural Sciences at North Carolina State University in Raleigh, USA, and a breeder who specializes in buddleja, peaches, and redbuds. Regarding the last mentioned he has developed and already patented 8 beautiful varieties, some of which are recognized and very successful also in Europe, e.g., Ruby Falls and Merlot. Another gem of his is called FLAME THROWER™ in USA and in Europe it is marketed under a slightly different name ETERNAL FLAME. It is a cross between his own varieties RISING SUN and an unnamed seedling with purple foliage and weeping habit. US patent No. PP31260 was granted in 2019 and the variety was launched in Europe in 2021 at the prestigious Chelsea Flower Show, where it won the highest award Plant of the Year 2021.
ETERNAL FLAME is, without exaggeration, a jewel not only among redbuds but deciduous shrubs in general. It bears large, broadly ovate to heart-shaped leaves 8-11 cm across and a dynamic mix of colours. New leaves emerge dark maroon and glossy, they soon turn fiery red and copper orange, and later they mature to somewhat chartreuse. In other words, you have multiple colors in a row along one branch. And what’s best is that this spectacular show is not just a question of spring as with many other deciduous shrubs. Here it you can enjoy a firework of vibrant colours all season long until autumn, hence its name Eternal Flame. In early spring, tiny, bright pink, pea-like flowers appear on miniature stalks on bare wood.
ETERNAL FLAME redbud grows rather fast (40-50 cm per year) under optimal growing conditions into a broadly funnel-shaped shrub with slightly arching ends. You can grow it as a multi-stemmed shrub or a single-stemmed tree. Young branches tolerate trimming and pruning, but older plants dislike cutting into old wood which might result in fungi infection.
Eastern redbud is relatively soil tolerant but does best in moist but well-drained soil. It resents transplanting. For the best foliage colour grow it in full sun, young plants benefit from some shelter from drying winds. It is hardy to min. -29 °C (USDA zone 5), possibly yet a few degrees lower.
Last update 29-08-2023
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