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Corpse flower ready to bloom at Roseville High

Domek Greenhouse open to public to view (and smell) rare titan arum


Tall vase-shaped corpse flower bloom
The corpse flower is about 6 feet tall, nearly ready
to bloom. (Photo courtesy Photo is by C.J. Addington)


Something’s stinky in Roseville. Head towards Roseville High School and look inside the Gene Domek Greenhouse.

That’s where you’ll find one of the rarest of blooms – a 6-foot-tall titan arum, also known as a corpse flower. With a smell and look like no other, the mammoth flower is expected to fully open Tuesday or Wednesday. Although it takes a decade or more for a titan arum to flower, the bloom itself lasts only a day.

To celebrate, the Domek Greenhouse will be open to the public from 10 a.m. to 4 p.m. Tuesday, June 22. If that ginormus flower does indeed open, the greenhouse will stay open until 9 p.m. Admission is free.

To a receive a free, automatic text alert that the flower has opened, simply text the word "corpseflower" to 52855. It will not ask for any personal information.

Though unintentional, the corpse flower’s appearance is perfectly timed; this is Pollinators Week. And this flower smells the way it does to attract its favorite pollinators – flies.

When it comes to growing titan arum, the Domek Greenhouse staff has had unusual success coaxing corpse flower fully into bloom. This is the school’s fifth one.

“This is quite an achievement for a simple suburban high school, as these titanic flowers are usually only seen at large universities and well-funded botanical gardens,” said greenhouse manager C.J. Addington. “What makes this particular bloom even more unusual is that it is a repeat bloom. This plant successfully bloomed back in September of 2020, and has now made a second flower less than a year after its first.”

Titan arum, or Amorphophallus titanum , can be almost impossible to grow in Sacramento. Even under greenhouse conditions, small things can disrupt the bloom cycle. A security light left on outside the greenhouse stopped one flower from fully opening.

“These huge plants originate in the steamy jungles of the Indonesian island of Sumatra, and are extremely difficult to bring to bloom,” Addington explained. “One plant can take a decade to reach flowering size from seed, and when it finally does bloom, the massive flower only opens for one day before closing up again.”

The tuber for this specimen, nicknamed Titan Arum Thing II, weighed almost 40 pounds and measured more than a foot across. The entire process, from planting to bloom, is documented by Addington at:

https://www.flickr.com/photos/norcalaroids/albums/72157719311111513

“These finicky blooms do not always successfully open – and we have had two that have failed in the past,” Addington said, “but this plant has bloomed successfully once already, and we are optimistic that it will again.”

Depending on the flower’s condition, the greenhouse may extend viewing into Wednesday.

“The greenhouse is not normally open to the public, but due to the unique opportunity to see this botanical wonder, we are opening our doors to the general public for free viewings before the flower opens, and then for extended hours when it blooms,” Addington said.

The Gene Domek Greenhouse is in the central square of Roseville High, located at 1 Tiger Way, Roseville. Parking is available in the lot at the end of Campo Street on the west side of campus. Enter through the gate next to the swimming pool. The campus asks visitors to please practice social distancing; masks are at your discretion.

To view the corpse flower without the stench, check it out on YouTube. To see a live video of the flower in the greenhouse, search YouTube for "Roseville High School Corpse Flower" and look for the red "Live Now" tag.

For more information, contact Addington at caddington@rjuhsd.us .

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Garden checklist for week of March 15

Enjoy these sunny days and show your garden some TLC. Don’t forget to water.

* Weed, weed, weed! Get them before they flower. Take a hoe and whack them at the base.

* Prepare vegetable beds for summer favorites. Spade in compost and other amendments.

* In the vegetable garden, transplant lettuce. Last chance this spring to transplant cole family plants such as broccoli, collards and kale. 

* Seed chard and beets directly into the ground. Soak beet seeds before planting to aid germination.

* Harvest fall-planted lettuce and cabbage before it “bolts” – sending out flower shoots.

* Fertilize roses, annual flowers and berries as spring growth begins to appear.

* Prune and fertilize spring-flowering shrubs after bloom.

* Feed camellias at the end of their bloom cycle. Pick up browned and fallen flowers to help corral blossom blight.

* Feed citrus trees, which are now in bloom and setting fruit. To prevent sunburn and borer problems on young trees, paint the exposed portion of the trunk with diluted white latex (water-based) interior paint. Dilute the paint with an equal amount of cold water before application.

* Feed roses with a balanced fertilizer (such as 10-10-10 or 4-4-4, the ratio of nitrogen, phosphorus and potassium available in that product).

* Prune and fertilize spring-flowering shrubs and trees after they bloom. Try using well-composted manure, spread 1-inch-thick under the tree. This serves as both fertilizer and mulch, retaining moisture while cutting down on weeds.

* Cut back and fertilize perennial herbs to encourage new growth.

* Plant summer bulbs, including gladiolus, tuberous begonias and callas. Also plant dahlia tubers.

* Shop for perennials. Many varieties are available in local nurseries and at plant events. They can be transplanted now while the weather remains relatively cool.

* Seed and renovate the lawn, if you have one. Feed cool-season grasses such as bent, blue, rye and fescue with a slow-release fertilizer. Check the irrigation system and perform maintenance. Make sure sprinkler heads are turned toward the lawn, not the sidewalk.

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Lessons learned during a year of edible gardening

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Why winter is the perfect time to plant fruit trees

When to plant? Consider staggering your transplants

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Plant a fruit tree now -- for later

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Time to give vegetable seedlings some more space

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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 

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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