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Midsummer mum tips: Pinch now for more later



Bushy rust-colored chrysanthemums
Pinching back mums promotes more flowers and more compact, bushier growth. (Photos: Debbie Arrington)


Favorite fall flower benefits from July attention




A pinch in time makes more mums.

Chrysanthemums are a favorite flower of fall. While mum plants are very tough, a little attention now will lead to many more brilliant-hued blooms in October and November.

Mums are divided into two categories: Garden and Exhibition. Usually grouped in the genus Dendranthema , the Garden varieties include cushion mums and florists’ staples with lots and lots of flowers per plant. Exhibition mums tend to be more stingy with just one flower or cluster per stem.

Left to grow without interruption, Exhibition mums often will form one long, winding main stem that just keeps getting longer and lankier. That usually leads to one bloom or flower cluster at the tip – no matter how long or tall the plant. To get more flowers, they must be pinched.

Usually, mum cuttings are first “pinched” when they grow to about 8 inches tall to keep the plant lower to the ground and to create a bushier look.

Chrysanthemum shoot
This lanky crysanthemum needs
to be pinched.

Taller young plants benefit from being pinched, too. Otherwise, their long main stems start to snake around for lack of support.

By pinching back that terminal bud, the mum will sprout lateral buds lower down on the stem. Those side buds will create more flowers – perfect for fall bouquets.

For a more compact and fuller bush in the garden, pinch back the laterals, too, after they’ve grown out 6 to 8 inches.

Some new Dendranthema mum varieties such as Igloo mums develop that mound look without pinching. Those mums start blooming in midsummer. After that first flush of flowers, cut the plants back by half. They’ll produce a second wave of flowers in fall.

Other keys to memorable mums:

* Mums like good drainage and consistently moist soil. Water deeply once a week plus more in hot weather. Newly planted mums or first-year cuttings need water two or three times a week. During triple-digit temperatures (such as Sacramento’s forecast for the next several days), they may need extra irrigation every day – especially if grown in containers.

* Mums appreciate mulch. It maintains that crucial soil moisture. Their favorite: Crumbled dried leaves.

* Fertilize once now in early or mid-July and again in mid-August, then cut off the plant food. Mums prefer fertilizer with more phosphorus (such as 5-10-5) to promote flower production and strong roots.

* Mums need full sun (at least six hours a day) to bloom. If your mums refuse to flower, they may be getting too much shade.

For more on mums, check out the website of the National Chrysanthemum Society,
www.mums.org .

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Garden checklist for week of May 24

Take advantage of this “normal” week and get stuff done. Your garden needs you.

* Plant, plant, plant! It’s prime planting season in the Sacramento area. Time to set out those tomato transplants along with peppers and eggplants. Pinch off any flowers on new transplants to make them concentrate on establishing roots instead of setting premature fruit.

* Support with trellises, cages or stakes rapidly growing tomatoes, peppers, eggplants or other tall crops that may get knocked around in those gusty winds.

* Direct-seed melons, cucumbers, summer squash, corn, radishes, pumpkins and annual herbs such as basil.

* Harvest cabbage, lettuce, peas and green onions.

* In the flower garden, direct-seed sunflowers, cosmos, salvia, zinnias, marigolds, celosia and asters. (You also can transplant seedlings for many of the same flowers.)

* Plant dahlia tubers. 

* Transplant petunias, marigolds and perennial flowers such as astilbe, columbine, coneflowers, coreopsis, dahlias, rudbeckia and verbena.

* Remember to irrigate your tender transplants. Seedlings need consistent moisture. Deep watering will help build strong roots and healthy plants. Water early in the morning for best results.

* Keep an eye out for slugs, snails, earwigs and aphids that want to dine on tender new growth.

* Feed summer bloomers with a balanced fertilizer.

* For continued bloom, cut off spent flowers on roses as well as other flowering plants.

* Put your veggie garden on a regular diet. Set up a monthly feeding program, and keep track on your calendar. Make sure to water your garden before applying any fertilizer to prevent “burning” your plants.

* As spring-flowering shrubs finish blooming, give them a little pruning to shape them, removing old and dead wood. Lightly trim azaleas, fuchsias and marguerites for bushier plants.

* Don’t forget to weed! Those invaders are growing fast.

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Food in My Back Yard (FIMBY) Series

Lessons learned during a year of edible gardening

WINTER

Is edible gardening possible indoors?

Hints for choosing tomato seeds

Starting in seed starting

Why winter is the perfect time to plant fruit trees

When to plant? Consider staggering your transplants

How to squeeze more food into less space

Potatoes from the garden

Plant a fruit tree now -- for later

Win the weed war by tackling them in winter

Tips for planting bare-root trees, shrubs and vegetables

Time to give vegetable seedlings some more space

Ways to win the fight against weeds

FALL

Dec. 16: Add asparagus to your edible garden

Dec. 9: Soggy soil and what to do about it

Dec. 2: Plant artichokes now; enjoy for years to come

Nov. 25: It's late November, and your peach tree needs spraying

Nov. 18: What to do with all those fallen leaves?

Nov. 11: Prepare now for colder weather in the edible garden

Nov. 4: Plant a pea patch for you and your garden

Oct. 27: As citrus season begins, advice for backyard growers

Oct. 20: Change is in the autumn air 

Oct. 13: We don't talk (enough) about beets

Oct. 6: Fava beans do double duty

Sept. 30: Seeds or transplants for cool-season veggies?

Sept. 23: How to prolong the fall tomato harvest 

SUMMER

Sept. 16: Time to shut it down? 

Sept. 9: How to get the most out of your pumpkin patch

Sept. 2: Summer-to-fall transition time for evaluation, planning

Aug. 26: To pick or not to pick those tomatoes?

Aug. 19: Put worms to work for you

Aug. 12: Grow food while saving water

Aug. 5: Enhance your food with edible flowers

July 29: Why won't my tomatoes turn red?

July 22: A squash plant has mosaic virus, and it's not pretty

July 15: Does this plant need water?

July 8: Tear out that sad plant or baby it? Midsummer decisions

July 1: How to grow summer salad greens

June 24:  Weird stuff that's perfectly normal

SPRING

June 17: Help pollinators help your garden

June 10: Battling early-season tomato pests

June 3: Make your own compost

May 27: Where are the bees when you need them?

May 20: How to help tomatoes thrive on hot days

May 13: Your plants can tell you more than any calendar can

May 6: Maintain soil moisture with mulch for garden success

April 29: What's (already) wrong with my tomato plants?

April 22: Should you stock up on fertilizer? (Yes!)

April 15: Grow culinary herbs in containers

April 8: When to plant summer vegetables

April 1: Don't be fooled by these garden myths

March 25: Fertilizer tips: How to 'feed' your vegetables for healthy growth