Dahlia imperialis Canna first introduced in 1863

first introduced in 1863

the 6' tall grey petioles (stalks) hold the large

sunny site with good drainage

Being native to salt marshes

Like other orchids only the current years pseudobulb produces foliage

Dahlia imperialis Canna first introduced in 1863I have this fetish for growing peculiar things, and the giant tree dahlia is at the top of my list. In the wild, Dahlia imperialis can reach 30', but our garden plants only reach a meager 9' in height. The bamboo looking stalks easily grow to a massive 3" in diameter and are topped with oversized but typical dahlia foliage. If you garden in Zone 7a, you can forget flowers, which are single pink and always manage to open the day we have our first