Cannas In Clay Pots - Knowledgebase Question

Staunton, VA
Avatar for kscruggs
Question by kscruggs
June 11, 2000
I overwintered my cannas in clay pots inside last winter. They have been on the front porch (morning sun) for several weeks. There has been new growth but the leaves are turning brown. I think they are sunburnt. I have moved them to the corner of the porch out of the direct morning sun. I am trying to keep the soil moist and would like any other suggestions to keep them healthy in the pots.

Answer from NGA
June 11, 2000
Browning leaves on cannas are usually a sign of water stress. Cannas prefer full sun and a very rich, moist soil. You might try repotting them into fresh soil and use some of the waterholding polymer in it to help keep the soil evenly moist. If they grew in the same pots last year, the rhizomes will now be much larger than they were when you planted them so you might want to either divide them or move them to larger pots. This would help reduce the chance of moisture stress. Then place the pots in a sunny location. The leaves could also be showing a delayed response to cold damage if they were exposed to some colder nights earlier in the season.

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