One of our best unknown plants

These crossandras were at one of the Cornelius/Calloway’s nurseries in Houston a few weeks ago. I love this plant! Click image for larger view.

Places where smart people garden like North Carolina State University and the Missouri Botanical Garden call this plant “firecracker flower,” or at least that’s the common name they try to pin on it. Growers I know (and I) call this plant simply “crossandra.”

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They had this thing growing in the floriculture greenhouses at Texas A&M. That’s a gutsy thing for a bunch of Aggies to do – grow orange flowers half a mile from Kyle Field, but most of us really liked it. It’s an easy-going little potted plant that blooms for weeks or months at a time and never asks for much other than a warm, bright spot and moisture.

Vigorous crossandra plants like these will keep turning out flower stalks for months.

Then I transferred to Ohio State and I never saw the plant again. 30 years passed and I would only occasionally see it in horticultural displays, usually only one plant here and another plant there.

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Then, 15 or 20 years ago nurseries like Calloway’s started offering it each autumn along with their other fall colors. After all, that was when they were featuring orange-red crotons by the truckload along with orange kalanchoes and Indian corn. Crossandras fit in just perfectly.

Here’s what you’ll want to know…
Common name: Crossandra, firecracker flower

Scientific name: Crossandra infundibuliformis

Native to: Tropical Africa, Bangladesh, India, Sri Lanka

Size: Grows to 15-20 ins. tall.

Foliage: Evergreen, extremely glossy

Hardiness Zones: 10-11 (Rio Grande Valley, frost-free areas along immediate Texas Gulf Coast with protection)

When you see crossandras being offered for sale, grab a few and give them a try!

How best grown: In pots, but sometimes grown in ground beds; most frequently grown in pots in bright settings indoors

Soil preferences: Light, highly organic, well-draining, but with good water-holding capacity

Lighting: Bright shade, no direct sunlight in summer

Humidity needs: High humidity, so avoid hot, drying settings.

Flowering season: Year ‘round; keep plants growing vigorously to keep them blooming.

Propagated: Cuttings preferable, or seed.

Posted by Neil Sperry
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