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Scent of the tropics in Sacramento

Cold-hardy ginger varieties right at home in NorCal

White ginger blossom
This is the blossom of white ginger, a perennial which enjoys undisturbed shady spots. (Photos: Debbie Arrington)




Every Labor Day, my garden smells like a tropical paradise – and looks the part, too.

The reason? The ginger is back in bloom again.

Blooming from late August into November, some varieties of this reliable perennial perform extremely well in Sacramento. Members of the Hedychium genus, these varieties are native to the Himalayas and can take some winter cold. They also enjoy undisturbed shady spots, and there are plenty of those in my mature landscape.

We have just enough winter cold for these perennials to die back each December, which keeps them under control. In tropical climates, they’re considered invasive species.

Growing up to 6 feet tall, the lanky plants tend to flop over unless supported. They need only average irrigation (once a week) and are relatively pest-free. Thriving on neglect, they love spots under my Japanese maples and in between shrubs in my photinia hedge.

Their rhizomes look like bearded iris – or the ginger root in grocery stores. (But consumption of these varieties is not advised; culinary ginger – which is not as cold-hardy – is Zingiber officinale .) Instead of food, these varieties are grown for their intense fragrance.

Oh, how they perfume the evening air! Mixed with the Delta breeze, it’s a breath of Hawaii.

These ginger plants came with our house; they were planted more than 30 years ago by the former owner, a native of Hawaii. They made her feel at home.

Now, I can close my eyes and pretend I’m far away on a tropical island. (It’s as close as I’ll get to a Hawaiian vacation this summer.)

Kahili ginger
Kahili ginger has huge blooms that entice hummingbirds.


The most spectacular of these gingers is yellow Kahili ginger, Hedychium gardnerianum . It looks like a spectacular feather headdress with long red-orange stamens popping out of bright yellow blooms, arranged in a tall column. The flowers often are 8 to 10 inches tall and look regal in the garden or a vase.

Hummingbirds can’t get enough of these huge blooms, working down the column and collecting nectar.

Much more numerous in my garden is white ginger, Hedychium coronarium . A native of India, Nepal and China, this forest ginger grows like a weed. (It’s considered a serious invasive plant in Hawaii.) In China, its aromatic oil is used as a folk remedy.

African slaves, who used ginger leaves as mattresses, introduced white ginger to South America and the Caribbean. White ginger, also known as mariposa or butterfly flower, is the national flower of Cuba.

Tourists often bring home small ginger roots from Hawaii or other tropical areas; give them time and they will bloom. For us mainlanders, these gingers are available from tropical plant specialty nurseries such as Kanoa Hawaii (
www.kanoahawaii.com ).

Treat these gingers like bearded iris, planting the rhizomes just below the surface. One established, they’ll put on a fragrant flower show September after September, creating your own little slice of tropical paradise.

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Garden checklist for week of July 12

Get out early in the morning to take care of garden chores. Temperatures are expected to stay below 80 degrees before 10 a.m.

* Remember to water early and deep; your garden depends on you.

* It’s not too late to add a splash of color. Plant petunias, snapdragons, zinnias and marigolds.

* From seed, plant corn, pumpkins, radishes, winter squash and sunflowers.

* Keep your vegetable garden watered, mulched and weeded. Water before 8 a.m. to reduce the chance of fungal infection and to conserve moisture.

* Water before fertilizing vegetables and blooming annuals, perennials and shrubs to give them a boost. Feeding flowering plants every other week will extend their bloom.

* Feed vegetable plants bone meal or other fertilizers high in phosphate to stimulate more blooms and fruiting.

* Don’t let tomatoes wilt or dry out completely. Give tomatoes a deep watering two to three times a week. Harvest vegetables promptly to encourage plants to produce more. Squash especially tends to grow rapidly in hot weather. Keep an eye on zucchini.

* If your melons and squash aren’t setting fruit, give the bees a hand. With a small, soft paintbrush, gather some pollen from male flowers, then brush it inside the female flowers, which have a tiny swelling at the base of their petals. (That's the embryo melon or squash.) Within days, that little swelling should start growing.

* Pinch back chrysanthemums for bushy plants and more flowers in September.

* Remove spent flowers from roses, daylilies and other bloomers as they finish flowering.

* Pinch off blooms from basil so the plant will grow more leaves.

* Cut back lavender after flowering to promote a second bloom.

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Muffins and pumpkin

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Taste Winter! E-cookbook

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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