Tree peony surprises gardener with fall rebloom

alice.jpgView full sizePeony 'Alice Harding' is one of the yellow lutea hybrids introduced in Japan in 1939, which may have begun life in Europe and been renamed 'Kinko' for the Japanese market.

My friend and former colleague had the pleasure of fall blooms on her yellow tree peony. Here's her story, along with a great tip.

By Diana Colvin

Surprise -- 'Kintoh,' a  yellow tree peony in my garden, popped out

half a dozen blooms early this fall. In the seven years I've had it,

this was the first time I remember rebloom.  What was going on? Was

the plant making a last gasp before turning roots up? Had

I overfertilized it, or was it the wacky weather around Portland?

No and no. Rick Rogers of

in Sherwood

(Wilsonville is the new on-the-ground location) says that a hybrid

tree peony with the

Paeonia lutea

species in its background (as

'Kintoh' does) will rebloom in the fall: "Not every year and not a ton

of bloom like in the spring, but rather just a few." He added: "Maybe

in the future, with enough attention in breeding with these that have

a reblooming gene, we could have three-season blooming tree peonies. "

Wow. For now, though, I'm happy with the occasional second season.

And guess what? There are still peonies to plant. These goddesses of

the garden are so easy and so rewarding to grow that every garden

should have at least one. We in the Northwest have enough winter

chill to grow them well, unlike in Southern California.


There are three types of peonies:

herbaceous, Itoh and tree. All are

plantable into late fall, according to local growers. And you can

find some beauties through the

website.  Specialty nurseries will have some as peony roots; some

in pots. You may find potted peonies at garden centers, too.

For tips on planting peonies, check out the websites of local growers

such as

near Brooks, or Rogers.

Another peony tip:

For the herbaceous and Itoh types, cut all

foliage (down to the soil line) between Halloween and Thanksgiving to

avoid harboring botrytis, a fungal disease, over winter. If you

notice your existing plants have symptoms, such as brown spots on

leaves and stems, make sure you dispose of the affected parts in the

garbage, not in the yard debris pickup or compost pile.

Happy fall gardening!

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