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Mike McGrath

Do Tulips Come Back Every Year?


Table of Contents

Some of the most popular spring-blooming bulbs, tulips add elegance and cheer to gardens and cut-flower displays. They can be incredibly easy to grow, too. Just plant the tulip bulbs in the fall in well-drained soil. In the spring, beautiful flowers fill the landscape. Depending on the tulip variety and the growing conditions, tulips can come back year after year.

Are Wild Tulips Annuals or Perennials

Wild tulips, native to Eurasia and North Africa, are perennials, coming back and blooming year after year. Hybrid tulips may be grown as annuals, short-lived perennials or longer-lived perennials, depending on the growing conditions and the variety.

How to Make Tulips Come Back Every Year in the Garden

If you want your tulip bulbs to come back year after year, follow these tips.

  • Choose the right variety. Darwin hybrids are the most popular choice for perennial tulips. Also consider Fosteriana and wild-type tulips.
  • Provide the right growing conditions. Tulip bulbs don't like lots of moisture. If you're growing tulips in flowerbeds that you water often throughout the summer months, the bulbs may rot. Plant tulip bulbs in well-drained soil.
  • Allow the foliage to fade naturally. Tulip leaves make the energy for next year's flower and store the energy in the bulb. After the tulips bloom, let the foliage face naturally.
  • Cut off the seedpods at the top of the stem.
  • Fertilize immediately after the flowers bloom.

Tulips also require chilling hours in the winter months. The winters in zones 7 and lower usually provide enough chill hours when the tulips are left in the ground over winter. In zones 8, you might have to dig up the bulbs and store them in a cool place, such as a refrigerator, for 6-12 weeks before planting.

If your garden area is too wet during the growing season, consider digging up the bulbs after the foliage has faded and storing them in a cool, dry place before replanting.

Even under good growing conditions and care, tulip bulbs are no especially long-lived. After 3-5 years, they may stop flowering.

Some gardeners also treat tulip bulbs as annuals and plant new bulbs every year.

Can You Leave Tulip Bulbs in Pots After Flowering?

Most gardeners treat tulips growing in pots as annuals. It takes some effort to successfully grow tulip bulbs in pots year after year. After the tulips in the pots finish flowering, fertilize the plants. When the foliage fades, remove the bulbs from the soil and let them air dry. Store them in a cool, dry place and provide them with chill hours before replanting.

Mike McGrath

Expert Advice

Q. My wife Polly and I disagree about a garden issue and need you to referee…

{Editorial note from Mike McG: "We can stop right here. Five'll get you Twenty the wife is right, no matter the details."}

"…Every year, we plant tulip bulbs in a five foot oval, 18-24 inch deep patch of earth on our flagstone patio. Having been to Holland and seen how the Dutch do it, we jam about 200 bulbs into this patch to get that 'wow' factor. (We also spread stone shards around the buried bulbs as a squirrel deterrent—advice you gave us about 10 years ago when squirrels stole the 500 bulbs we brought back from Holland!) The spring display is magnificent. But around mid to late May we of course lose the flowers, and then put in impatiens or other colorful plantings. The tulips never return the following year, and so we buy new bulbs every Fall.

I'm wondering if there is an alternative to this costly process. My wife insists we can't leave the bulbs in the ground over summer and plant anything else above them, as it will ruin the bulbs. So first, is she correct? And second, if she is, can we somehow store the tulip bulbs (in a cool dry place or buried elsewhere?) so we don't need to buy new ones each year? Thanks,"

    ---John in Abington, Pennsylvania
A. Your wife is, of course, correct, John. (In the history of this show I can only remember the husband being right three times—and two of those involved wives who were foolishly infatuated with shredded bark mulch.)

The reason she's right is in the DNA and geographic origins of the bulbs. It's easy to think of tulips as being native to Holland, since that nation has done so much to breed and market them—and if they were, they'd love being underneath plants that are watered all summer, as many bulb fields in Holland are technically below sea level. But tulips are instead native to some of the most God-forsaken terrain on the planet—mountainous areas in Russia, Afghanistan and Turkey that are snow covered all winter and blisteringly hot and dry all summer. That's why the Dutch harvest their crops of bulbs right after the flowers bloom and the leaves change color; they'd rot if left in that wet soil after that.

Bottom line: Spring bulbs return most reliably when they have a dry dormant period over Summer. But first, you have to recharge those bulbs.

After the flowers fade, clip off any seedpods that form—but only cut the top of the stem; don't cut it down low or you'll create a place for water to pool up. If you're going to feed your bulbs, now is the time, while they're in green leaf and growing the following year's flowers. (If you use an organic granular fertilizer designed for bulbs, spread it on the surface of the soil and cover it with a little compost. If you use a liquid fertilizer, water it into the ground. Or just spread an inch of high-quality compost on the surface of the soil around the leaves.)

This growth of the following year's flowers is also why you absolutely MUST allow the green leaves to lose their green color naturally. Those leaves are collecting the solar energy the underground bulb needs to produce those flowers. If you cut off the leaves before they can collect that energy, no future flowers.

"Bulbs in Bondage" aren't much better; when you tie the leaves together you greatly limit the amount of sun they can catch. (And perhaps reveal too much about your personal proclivities as well….) Be patient. Look at other things. Position tall plants around the bulbs so the process can progress unseen by your horticulturally compulsive eyes. Go on vacation for a month…

When the green color has faded to tan, carefully dig the bulbs up. You can clip off the leaf remnants or leave them be. If the soil was damp or wet, let the bulbs air dry for a few days (indoors, unless you want to give Evil Squirrels and other vermin a treat). Underneath a gently turning ceiling fan is ideal. (No direct sun!) Then store them in a cool dry place until it's time to replant them in the Fall.

How best to store them? I've had success packing them in peat moss, soil free mix, perlite, even dry and crumbly garden soil; in buckets, galvanized tubs and big plastic pots. Put a layer of dirt or peat or mix or whatever in the bottom of the container, then a layer of bulbs, then more 'dirt', more bulbs, etc. until you're done; then add several inches of your 'packing dirt' on the very top.

Resist the urge to wet things down, but do cover the top with screening. Tulips (and crocus) are eminently edible delectable treats to mice as well as squirrels (and voles, perhaps the worst outdoor predators of underground bulbs.)

I've been doing this very thing ever since British garden writer Anna Pavord suggested it on our show while promoting her classic 1999 book "The Tulip". Like much of the rest of the world, I need to use my main bulb bed for other things over the summer, and was rotting the underground bulbs by watering the impatiens and marigolds that followed them.

Now I dig and store—and have tulips that are teenagers!

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