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BOISE -- Fall is just around the corner, and the coming cooler days are a perfect time for planting and transplanting in the garden.

On "You Can Grow It", Jim Duthie gets tips from an expert on how to take care of your flowering bulb plants.

Fall is a good time to do some transplanting and replanting in your garden, because temperatures are a little cooler. This is a great time of year to maybe extend your landscaping out a little bit for next year.

"Yeah. We're getting close to it, and that September–October time when it starts cooling down and plants start focusing on their roots. It's a great time to do that," said Seneca Hull with Franz Witte Nursery.

Flowering plants, like irises, produce more bulbs, or rhizomes, each season, which can be dug up and divided.

One of the things you might think about dividing are some of the bulbs, like irises.

"These are some bulbs that we just dug out of the ground yesterday, so it gives us a good idea of what it looks like in the ground and what we can do with this," said Hull.

Well, the flowers are basically gone now, but what do you do about the leaves? Do you cut them back?

"You do cut those back and you want to wait until they're a little bit closer to dormancy to do that, and you see that these are starting to turn a little bit brown. But with irises, you can't hurt them, so it's pretty easy to do it anytime," said Hull.

Now, irises produce bulb-like rhizomes, and so it's important after awhile to divide those up and you get more flowers.

"Right. Exactly. And then you can have them in more places in your yard or give them to your friends, however you're going to do it. But they're very easy to work with. You know, this could be one, it could be two. And you just plant those in the ground and then you have a new plant," said Hull.

So basically, you just break these off into different sections, and then how do you plant them?

"So, rule of thumb, with any bulb or rhizome, is that you want to plant them in the ground about two to three times deeper than the depth," said Hull.

In other words, if the bulb or rhizome is an inch thick, plant it two to three inches deep in the soil.

"Water them in and you can do a little bit of fertilizer," said Hull.

Hardy bulbs, like tulips and daffodils, can be divided and replanted, and stay in the ground through the winter.

But some bulb plants, like the canna lily, aren't hardy enough to survive our winters, so you'll want to dig them up and store them in a cool, dry place until spring. That also goes for caladiums, and other sensitive plants like begonias.

With just a little work, you'll get more plants without spending more money, and you can grow it.

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