'Tropicanna Black' is an erect, rhizomatous perennial with large, banana-like, dark maroon leaves and strong, erect stems bearing racemes of bright orange-red flowers from summer to early autumn.
With masses of broad fleshy leaves, cannas do best with a good supply of water, so water the plants during the summer if the rainfall is less than 1 inch per week. Water freely in a dry spell.
Cannas are not picky when it comes to fertilizer. Cannas easily bloom all summer without much effort. But for those of you who want to give your plants an extra boost, apply a 5-10-5 or 10-10-10 in the spring and, if you wish, two more times during the growing season. Fish emulsion fertilizer is a little higher in nitrogen, but is a fantastic organic alternative for feeding your cannas. Higher nitrogen fertilizers tend to increase the average height of cannas. If you have rose food or tomato food on hand, both are great options for cannas, too.
After the flower stem has been deadheaded several times and is no longer producing flowers, cut the flower stem and any attached foliage to the ground, as this can help nearby cannas get more light and flower themselves. (If you prefer, just cut the stem back to the foliage, which will last until the first frost.)
Half hardy - unheated greenhouse / mild winter - Hardy in coastal and relatively mild parts of the UK except in severe winters and a risk from sudden (early) frosts. May be hardy elsewhere with wall shelter or good micro-climate. Likely to be damaged or killed in cold winters. Plant can withstand temperatures down to -5°C (23°F)
flowergiftsbloomingApr 1 · 7 min readComprehensive Guide to National Flowers DayNational Flowers Day celebrates the dawning of perhaps the most anticipated season of all – spring! The day marks the end of winter and a floral character of blooming beauty, positivity, and grace.
flowerflower-meaningsspeciesMar 13 · 10 min readFull Guide on Lotus Flower Meaning, Symbolism and Plant OverviewLotus is an abstract depiction of various religious entities. Because this knowledge may be limited only to where it is commonly cultivated and traded, we will try to shed light on the legends.
diseaseproblempestsMar 4 · 8 min readFull Guide on Plant Leaves Turning YellowYellowing of plant leaves is like a fever in humans, but unlike a doctor prescribing paracetamol for a headache, you will need more than just a plant pill!
speciesgardeningoutdoor-cultivationFeb 27 · 11 min readFull Guide on Best and Worst Potato Companion PlantsPotato companion plants are a diverse crop family thought to have positive agronomic effects on potatoes, soil, and even pest protection.
fruitplantinggardeningFeb 20 · 8 min readFull Guide on Blueberry Companion PlantsSome crops can help blueberries in various ways, all of which are directed to soil improvement, pest resistance, and harvest increment. So, come along to the world of companion plants for blueberries!