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After blooms fade, let daffodils keep their leaves

Bulbs need that foliage to rebloom next year

Sacramento Digs Gardening
BY Debbie Arrington PUBLISHED APR 2, 2021

Fading narcissus blooms with green foliage

The pretty spring blooms from bulbs are fading fast. Leave the leaves so the plant can store energy and rebloom next spring. (Photos: Kathy Morrison)

This has been a long and spectacular bloom season for daffodils, narcissus, anemones and other spring bulbs in Sacramento-area gardens.

But our June-like weather this week quickly brought that early spring show to an abrupt end. Temperatures in the mid-80s dried up remaining blooms and browned the last late-blooming narcissus.

Now, what to do with those straggly remains?

With spring bulbs, pruning off spent flowers usually is a matter of aesthetics. But leave the leaves; that foliage still has work to do.

It's tempting to cut all the foliage back after a daffodil fades,

but let those leaves go brown and then pull them.

“Bulbs use their foliage to produce the energy they need to form new flowers,” according to the bulb experts at Longfield Gardens, a major U.S. bulb producer. “So, if you want your bulbs to rebloom, it’s important to leave the foliage in place until it has withered and turned yellow. When the foliage can be pulled away from the bulb with a gentle tug, it’s ready to go.”

Some bulbs will shed their foliage within days; others will hang onto their leaves until July.

“The foliage of early-blooming bulbs such as chionodoxa and scilla fades away very quickly,” notes Longfield Gardens’ bulb experts. “Larger bulbs take longer; a few weeks or a few months, depending on the weather and the type of bulb.”

Trim off spent tulips right after they fade; quick deadheading will coax the bulb to rebloom next spring. Daffodils don’t need deadheading, except to tidy up a flower border or bed. Small bulbs such as crocus and snowdrops spread by seed, so leave those flowers to encourage multiplying. Alliums also tend to self-sow; if you don’t want lots of alliums, remove those flower heads.

Some gardeners tie up their daffodil foliage, but that can cut down on the leaves’ ability to photosynthesize and create energy for its bulb. It’s better to leave the leaves loose.

Longfield Gardens suggests hiding the ripening foliage with companion plants.

“In perennial gardens, you can let the foliage of other plants hide the leaves,” say its garden advisers. “Hostas, daylilies, nepeta and perennial geraniums are a few of the perennials that are good at covering the spent foliage of tulips, daffodils and alliums.”

Cornell University studied this method and came up with 15 best perennial and bulb combinations. See it here: https://bit.ly/3fDlL7g

“Another option is to plant your bulbs in a dedicated area where you won’t mind seeing the foliage,” Longfield Gardens says. “For tulips and hyacinths, this could be in a cutting garden or even part of your vegetable garden. Alliums and daffodils are ideal for wilder areas where their ripening foliage will be out of sight.”

If you have the time, energy and room, move the bulbs so their foliage can age gracefully out of sight, Longfield Gardens suggests. “It's also possible to dig up your spring bulbs immediately after they finish flowering and replant them – with their foliage still attached – in a holding bed. When fall comes, dig up the bulbs and move them back.”

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Keywords:

Sacramento daffodils narcissus spring flowers deadheading crocuses weather gardening tulips spring gardening bulbs warm weather

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Garden Checklist for week of April 21

This week there’s plenty to keep gardeners busy. With no rain in the immediate forecast, remember to irrigate any new transplants.

* Weed, weed, weed! Get them before they flower and go to seed.

* April is the last chance to plant citrus trees such as dwarf orange, lemon and kumquat. These trees also look good in landscaping and provide fresh fruit in winter.

* Smell orange blossoms? Feed citrus trees with a low dose of balanced fertilizer (such as 10-10-10) during bloom to help set fruit. Keep an eye out for ants.

* Apply slow-release fertilizer to the lawn.

* Thoroughly clean debris from the bottom of outdoor ponds or fountains.

* Spring brings a flush of rapid growth, and that means your garden is really hungry. Feed shrubs and trees with a slow-release fertilizer. Or mulch with a 1-inch layer of compost.

* Azaleas and camellias looking a little yellow? If leaves are turning yellow between the veins, give them a boost with chelated iron.

* Trim dead flowers but not leaves from spring-flowering bulbs such as daffodils and tulips. Those leaves gather energy to create next year's flowers. Also, give the bulbs a fertilizer boost after bloom.

* Pinch chrysanthemums back to 12 inches for fall flowers. Cut old stems to the ground.

* Mulch around plants to conserve moisture and control weeds.

* From seed, plant beans, beets, cantaloupes, carrots, corn, cucumbers, melons, radishes and squash.

* Plant onion sets.

* In the flower garden, plant seeds for asters, cosmos, celosia, marigolds, salvia, sunflowers and zinnias.

* Transplant petunias, zinnias, geraniums and other summer bloomers.

* Plant perennials and dahlia tubers for summer bloom.

* Mid to late April is about the last chance to plant summer bulbs, such as gladiolus and tuberous begonias.

* Transplant lettuce seedlings. Choose varieties that mature quickly such as loose leaf.

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