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Fiery Plants and Flowers

Published on November 5th 2019
A close up of a flower
A close up of a flower

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As bonfire night approaches in the UK, I thought I'd take a look at plants with flaming autumn foliage, searing summer blooms and flame-toned fruit.
It doesn’t end with colour. Some plants form an essential part of our cuisine with their warm spices. And when it comes to firework displays, the plant kingdom could give Guy Fawkes a run for his money.
A tree in front of a lush green field
Few trees rival the tupelo (Nyssa sylvatica) is fiery autumn hues.

A song of spice and fire

Many herbs pack a punch in terms of heat. Although to us humans it adds a nice touch to our salads, in evolutionary terms these spicy flavours are a deterrent for pests and herbivores. Here are a few to try:
The crown for hot flavours, however, sits safely atop the chilli pepper. Scotch bonnets and bird’s eyes are the most commonly encountered, but for those with a cast-iron digestive tract then the ‘Trinidad Scorpion’ and ‘Carolina Reaper’ await. Just be careful as they have been known to hospitalise people!
There's no smoke bush without fire: Cotinus coggyria gives both burning autumn foliage and smokey flowers.

Flaming foliage, flowers and fruit

Other plants stimulate our eyes rather than taste buds, and many of them can be grown in the garden. Here are just a few to consider:
Japanese maple (Acer palamatum): Also known as the red emperor maple, the autumn colours on this exquisitely-formed tree and its varieties are world-renowned for their brilliant shades.
Sweet gum (Liquidamber styraciflua): With the arrival of autumn, this small tree spontaneously combusts into fiery shades of orange and amber, deepening to reddish-purple. It is perhaps rivalled only by the tupelo (image above).
A plant in a forest
Who needs leaves? The bare stems of dogwoods (Cornus spp.) keep the home fires burning through wintertime.
Winged spindle (Euonymus alatus): As if its quirky stems weren’t enough, the winged spindle is also known as the burning bush due to its intense crimson autumn foliage.
Photo: Liquidamber
Forest flame (Pieris japonica ‘Forest flame’): Contrary to many shrubs, Pieris displays its fiery colours on its new growth in spring, rather than in autumn as it is an evergreen.
Alum root (Heuchera spp.): With foliage in shades of burnt embers, this hardy, herbaceous perennial offers vibrant colour to brighten shaded areas throughout summer and into the autumn.
Canna lily (Canna indica): The leaves of ‘Tropicanna’ and ‘Durban’ set the tropical border ablaze in late summer, especially with their vibrant flowers.
A close up of a flower
Who's going to tell this Celosia it's not an actual flame? Not me. An easy annual for summer bedding.

Burning blooms & fiery fruit

Chilean fire bush (Embothrium coccinea): To see a mature plant in full bloom is breathtaking, but due to its somewhat difficult growth demands, Embothrium will be limited to sheltered gardens.
Red hot poker (Knifofia uvaria): It’s easy to see why this exotic-looking, yet hardy plant is also called the torch lily, just as it’s easy to see why it’s remained popular for so many years.
Asiatic lily ‘Starlette’ (Lilium asiaticum): Whereas most lilies go for the safer colours of pink and white, the blooms of this bulb look like burning embers.
Chinese lanterns (Physalis alkekengi): Bright burning lanterns appear just in time for Halloween. Due to this plant's invasive growth habit, you must always be on amber alert.
Firethorn (Pyracantha spp.): The gentle foaming white flowers give way to berries in shades of vermillion red in the autumn, with orange and yellow varieties also available.
A close up of a flower
Flame of the woods, Ixora coccinea, has blooms that light up its gloomy understory tropical home.
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Hot Houseplants:

Probably the safest way to bring bonfire night indoors.
Flaming sword (Vriesia splendens): A bromeliad with attractive striped foliage and an even more ravishing red ‘flower’ spike. The true flowers are yellow and add to the flaming effect. Very easy to look after.
Flame or glory lily (Gloriosa superba): A tuberous climber whose gorgeous blooms have wavy margins and yellow-edged, red petals. A true beauty.
Flaming Katy (Kalanchoe blossefeldianum): Loe them or hate them, there's no denying the cheery brightness of the flaming Katy.
Coral firesticks (Euphorbia tirucalli ‘Firesticks’): Succulents and cacti grow in the heat of the desert, so it makes sense that at least one of them should be able to give us similarly hellish scenes.
Blood lily (Scadoxus multiflorus): The flowers of this indoor bulb look like an exploding firework. Easy to grow and a great conversation starter when in bloom.
A group of palm trees next to a tree
If ever a houseplant represented fire in the form of foliage, it's the croton (Codiaeum variegatum)

If I've missed any of your firey favourites, let me know in the comments!

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