The Q&A Archives: Passion Flowers

Question: Hi There.
We purchased 2 Passion Flowers from a local nursery last year. We put them next to our trellis' and they bloomed wonderfully. However, now they look dead...there is no sign of life on either of the plants. We talked to one nursery and the said the passion flowers do not survive in our zone. We spoke to the nursery that sold us them and that said that the grower would not have sold them the plants if they weren't hardy for this zone.

What's the truth? Are they dead or just dormant?

Thanks The Walshes

Answer: Based on your zip code you are gardening in zone 5B, the warmer part of zone 5. The passion flowers listed in Monrovia's on line descriptions are hardy only to zone 9 or 10 (think southern Florida). There are some hardier types such as P. caerulea which some sources list as being hardy to as cold as zone 6, and quite a few in the zone 8 range. Depending on what kind you planted, it is conceivable it might have survived in a very warm microclimate in your yard, but to be honest I don't think it is too likely that a passionflower would survive the winter outdoors in Ohio. There are many showy warm climate plants on the market today to be grown as patio plants and brought indoors for the winter or simply replaced each spring. Perhaps yours were intended for one of these uses. I'm sorry I can't be more encouraging.

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