Archive for the ‘Horticulture’ Category

Flamingo Flowers, Tapeworm Plants, and Toad Lilies?!

Posted by in Horticulture

Those snazzy LEGO® animals aren’t the only thing that you’ll marvel at when you visit Animals Assembled: A Safari Built with LEGO Bricks, Presented by Fiesta. When you visit, be sure to take a look at the plants that surround them, because they sure do tell a story.

The story of these incredible plants came straight from the head of the Zoo’s own talented Horticulture Manager, Joe Williams. This guy has more plant knowledge than you could ever imagine, and when he was asked to create the exhibit where the LEGO animals would live, he jumped at the chance.

The plants in the penguin exhibit mimic snow drifts and the colors make it seem chilly, like their habitat in the wild.

Joe’s first move was to create a beautiful, lush, shaded pathway, making sure you don’t see too much too soon.

“One of the most important things about designing an exhibit like this is to make sure there’s a surprise around every corner. You don’t want to see everything at once. So we made a path that snakes around and leads you through an adventure. We used big screens of bamboo and other large plants to hide the animal around the corner so you don’t know what’s next.”

Flamingo flowers sit right next to the flamingo pond.

And if you look carefully at each LEGO animal’s surroundings, you’ll notice something else: many of the plants surrounding them make the animal seem like it’s in its natural habitat.

The penguins are flanked by Huntington Carpet Rosemary, which is low to the ground and drifts like snow. The tiger slinks through a shaded forest area near the Variegated Dianella, which mimics its stripes, just like plants help them camouflage in the wild. The Cardamon Ginger next to the gorilla mom and baby is just like what they eat in nature, and many zoos actually feed a similar plant to gorillas to help prevent heart disease!

Gorilla mom and baby with Cardamon Ginger (right middle plant)

What’s more, and you’d only know this if you were a plant buff, many of these plants have names similar to the LEGO animal that lives by them. The Flamingo Flower sits right at the base of the pond where the…you guessed it…flamingos are standing. “Under the Sea” Coleus sits in brightly-colored pots at the base of the aquarium featuring a LEGO octopus, crabs, stingray, and countless fish. And, because you knew Joe couldn’t stop there, the Stingray Elephant Ear also springs up from the ground around the aquarium.

Yep, that’s a Stingray Elephant Ear next to the Aquarium.

Now that you’re an Animals Assembled insider, check out this tip: at the very end of the path, just when you think you’re done, look to your right to see a short tree with spiky branches. You’re looking at one of the most endangered trees in the world, the Wollemi Pine, which is from New Zealand and dates back to the time of the dinosaurs!

Wollemi Pine: one of the most endangered plants in the world.

To learn more about Animals Assembled: A Safari Built with LEGO Bricks, Presented by Fiesta, visit http://www.houstonzoo.org/animals-assembled.

An Oasis in the City

Posted by in Horticulture

Everyone that visits the Houston Zoo surely has an animal that they prefer over any other. People pick their favorite primate, favorite reptile, favorite underwater creature. But how about a favorite plant? The Houston Zoo is home to a lush and diverse array of tropical and native plants, flowers, trees, and various ground coverings.

Our team of horticulture professionals spends over 20,000 hours each year planting, pruning and working tirelessly to keep the landscape healthy, vibrant, and colorful for our animals and guests. The horticulture team at the Zoo is just one group of the many unsung heroes that help us operate on a daily basis. Considerable thought is put into the plant life here, focusing on native Texas species and their place at the Zoo. Our animal enclosures also feature plants that the various animals are accustomed to, highlighting the importance of regional plant life.

On your walk through the Zoo, you’ll be able to see various palms, cycads, and bamboos abound, along with flowers of every color, shape and size. This gorgeous array of vegetation provides some amazing photo opportunities and we certainly encourage you to point your camera at both animals AND plants. The morning light provides for some incredible shots, and there are certainly a plethora of plants to shoot(with your camera!).

While walking through the Zoo, it is very easy to get caught up in rushing to which animal you are going to see next. You should slow down! Grab a seat on a bench, take a deep breath, and enjoy this amazing oasis in the middle of Houston’s metropolis.

Oh yeah, and next time you’re at the Zoo and see one of our horticulture professionals working away, give them a friendly smile and wave!

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Making a Difference With Palm Oil Free Candy

Posted by in Conservation,Horticulture

Whether it be a holiday or any other excuse to purchase candies and chocolate, it is important to know exactly what you’re sinking your teeth into. The production of many familiar chocolates involves significant amounts of palm oil. Palm oil is a form of edible vegetable oil produced from the African oil palm tree (Elaeis guineensis) which has been planted on plantations throughout Malaysia and Indonesia, home to some of the world’s most endangered wildlife. Because of the increasing demand for palm oil across the globe, millions of acres of rainforest in Sumatra and Borneo are continually cleared in order to plant and later harvest this ingredient. This destruction of rainforest has resulted in an immense loss of habitat for species like the orangutan. 

Luckily, an organization called the Roundtable on Sustainable Palm Oil (RSPO) recognized this issue and established guidelines in order to promote and educate both producers and consumers on the necessity of sustainable palm oil production. The RSPO offers various certifications for growers that are only awarded after a number of criterion have been met.  By employing these certifications, businesses can now identify with the public and other businesses as an organization that believes in producing sustainable palm oil. The collective efforts of the certified are examples of how even large businesses can be an environmental steward. For more details on the RSPO and their certification process, visit their website.

 

To make a difference, all you need is a little bit of knowledge and a keen eye. By looking for and purchasing palm oil free products, or products produced by members of the RSPO, we can reduce the demand and slow the staggering rate of habitat loss. Here is a fantastic graphic that can serve as a great palm oil shopping guide.

 

Click here to enlarge

 

For more information, please visit our website at http://www.houstonzoo.org/palm-oil/

 


There’s a New Resident at the Houston Zoo and It’s Not an Animal!

Posted by in African Forest,Horticulture,Pollinators

There’s a new bud in town.

We are happy to announce that our very own spunky and stinky corpse flower, Pewtunia, is about to bloom!

Our fans know and love all the interesting, diverse and engaging animals that call the Houston Zoo home. However, an aspect of the Zoo that is sometimes overlooked is the incredibly maintained and varied plant life that not only keep the Zoo grounds looking beautiful, but also add a natural enhancement to animal habitats.

One of these resident plants is definitely a standout – our gal Pewtunia is what is known in the horticulture world as an Amorphophallus titanum. We realize that’s kind of a mouthful (we had to re-spell it several times to get it right), so you may know her better as a Corpse Flower, Carrion Plant, Titan Arum or Voodoo Lily.

Originally scientifically described in 1878, discovered by Odoardo Beccari, and only found in Western Sumatra, Corpse Flowers are definitely a rare sight and, ahem, smell. The name Corpse Flower comes from the distinct stench that has been described as the smell of a corpse.

Obviously our dear Pewtunia does not have any dead bodies near her – the smell is really given off, along with extra heat, to attract Carrion Beetles and Blow Flies. These friends to the Corpse Flower are pollinators, which means they are integral to continuing the Corpse Flower population. This attractive (well to bugs anyway) odor will be at it’s most powerful 12-24 hours of full bloom.

It’s rude to ask a lady’s weight, but we’ll tell you that Pewtunia is almost 20 pounds and currently stands 2’6″. She may not sound like a heavyweight yet, but prior to blooming, Corpse Flowers grow rapidly, and she will reach heights of 4′-6′ – maybe even 8′!

Pewtunia as of Thursday, September 8

So if you’d like to experience Pewtunia in all her glory, then start planning your trip to the Zoo now – we think she’ll be in full bloom by or before next weekend! Or maybe you’d prefer to enjoy the view without the smell?

Pewtunia will be viewable in the Zoo on The African Forest walk between the 4-D Experience and the Indoor Chimp Viewing area starting Monday, September 12. And there will be special Horticulture Keeper Talks at 10:00 a.m. and 2:00 p.m. when one of our knowledgeable horticulture staff members will be there to answer any and all Corpse Flower curiosities you may have!

Gift of Grub Series: Browse on Zoo Grounds

Posted by in Feeding Our Animals,Horticulture

Please consider giving a year-end, tax-deductible gift of grub to help feed our animals in the coming year by clicking www.houstonzoo.org/gift-of-grub or our CONTRIBUTE tab on Facebook!

A snack for Toby, the red panda

This month-long series has mentioned so many kinds of foods that are bought or ordered by the commissary, then further prepared and dispensed by keepers. In almost each post you may have noticed the use of the mysterious term “browse” that many of our animals get as well.

A babirusa with fresh browse

Browse simply means the leaves and tender shoots that our animals might come across to nibble on in daily life in the wild.  We duplicate this by providing browse for them in their habitats.  The thing that may be a surprise to our guests is that we grow quite a bit of this browse on grounds.

Our Coquerel Sifaka dives in

We have a large, full-time horticulture team, led by Joe Williams. Like the old phrase, they are at hard at work outside, whether it’s in pouring rain, cold temps, or high humindity. Monday through Friday they spent between four and six hours doing cutting browse, which accrues anywhere from 100 to 200 pounds of it a day!  

Horticulture Manager Joe Williams and some of his team collect browse grown on grounds almost every day

Most of the plants and trees used for browse grow naturally, so they don’t take a lot of time or energy to plant.  We do add ginger, banana and a variety of bamboos, but those are planted in the Zoo’s overall landscape and when they are normally trimmed, that’s used as browse. 

A little nosh for our South American Tapir

At some point, horitculture may plant a browse garden or pockets of browse in a couple locations on Zoo property.  Proper pruning techniques are used to ensure that the health of the plants or he aestheics of the Zoo grounds are not affected.

Written by Rochelle Joseph, and Joe Williams, Horticulture Manager 

Our handsome okapi say gimme some browse!

It takes $600,000 a year to feed our over 6,000 animals at the Houston Zoo. That’s a big bill!

Please consider gifting your furry, feathered and fanged friends this holiday with a tax-deductible donation  during our Gift of Grub campaign at: http://www.houstonzoo.org/gift-of-grub/ or click the Contribute button on Facebook!

Rootball Enriches Drylands Inhabitants

Posted by in Enrichment: Keeping it Interesting,Horticulture,Natural Encounters

Many of our guests are familiar with our enrichment program here at the zoo.  They often watch our animals enjoying novel items or figuring out how to get a treat out of a puzzle feeder.  We give our animals enrichment because it helps keep them mentally challenged and it’s essential to the well being of the animals we care for.

Recently our ace horticulture team saved a  root ball from a tree they had taken out and brought it over to the Natural Encounters building to be given to the animals as enrichment.  The root ball is about four feet across and took five of us to move.  We weren’t sure which exhibit to put it in, but after much deliberation and debate we settled on the Drylands exhibit.  It was an instant hit as you can see from this video.  At first the guinea fowl weren”t sure what to make of this spaceship that landed in their home, but now forage on it regularly.  The antelope ground squirrels moved right in and even the star tortoises enjoy burrowing under it.  The root ball is giving the animals the opportunity to express natural behaviors such as foraging and burrowing, as well as making decisions about whether this new thing should be approached or not.  These types of opportunities are what enrichment is all about.

The root ball will probably be there for a while since it wasn’t the easiest thing to move.  Come by the Drylands exhibit in Natural Encounters and see who’s hanging out on, around or under it!

How To Protect Your Plants During Cold Weather

Posted by in Featured,Horticulture

A Message from Joe Williams, the Houston Zoo’s Horticulture Manager

I’ve had a number of guests and staff asking me about their plants both here and at home after the cold weather of late and what to do with freeze damage. The best thing to do with almost everything at this moment is to leave it alone.
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- Don’t trim any woody stemmed plant or perennial until we are certain to not freeze again. The dead and/or unhappy plant matter will help to insulate the rest of the plant if we do freeze again. More importantly, if you cut back to green wood you could promote new growth. This is a huge expense of energy for a plant that is already hurting. Also the new growth is the most sensitive to the cold. The culmination of the energy output and continued damage almost certainly ensures this plant will die.

- Plants such as bananas, gingers, cannas and elephant ears can be trimmed back to the ground and mulched. For these you can trim to just below the damaged portion and they should be content. If there is still green, happy tissue the roots will still be getting energy from the stem which will promote a stronger plant next year. For the most part we are trimming the gingers and bananas just below the damage because we tend to use them as structural components of the gardens and they’ll be walked upon if we are to trim them to the ground. This won’t be a good year to get fruit from our bananas or flowers from our gingers, but the plants will come back. The majority of plants listed above are at least root hardy to anywhere from 10 to 15 degrees Fahrenheit.

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- When considering tropical trees, if they are kicking off old leaves, this tends to be a good thing. This means that the tree is still trying to live, normally some sign of bud growth or the trees attempt to eliminate the energy necessary to maintain the leaves and concentrate of root growth. When a tree hold on to dead leaves if tends to be a bad sign. A quick means of checking the potential viability of you trees that do have dead leaves is to attempt to strip a leaf, it should come of fairly easily. This is also works to see if a newly transplant tree is doing alright.

- Now on to palm trees… Most palms that are sold here are supposed to be hardy to at least 20 degrees. This doesn’t mean that nurseries haven’t brought in other more tender palms or that we don’t have a handful of really tropical palms here. Don’t cut any of the ugly dead fronds off until we are certain not to freeze. The most important thing is keep the heart of the palm warm and insulated. This is the area where the leaves emerge from the trunk. The dead leaves give the palm a couple more degrees of cold tolerance. We’ll also wrap or provide heat to palms that we know are sensitive tot the cold. I can provide a list of the palms that are sensitive for any future freezes.

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We aren’t going to know for certain the extent of the damage until spring. The good thing about being in Houston is that spring tends to begin in February. As I said before the best thing to do with most plants is just leave them alone. I know it’s tough to look at ugly plants, but for most plants either winter defoliation or being knocked back by freeze is the norm and they’ll come back as strong as ever.

The latest addition to the Houston Zoo landscape will put a spring in your step

Posted by in Featured,Horticulture

The new pathway to the Tropical Bird House

The new pathway to the Tropical Bird House

Four environmentally friendly pathways are the newest additions to the Houston Zoo’s landscape. The new pathways, installed by National Sales and Supply are located near the Brown Education Center, the Tropical Bird House, the entrance to Wortham World of Primates, and the cassowary and hornbill viewing area.

The pathways are made from recycled rubber tires, which accounts for the spring in your step when you walk on them.

A close-up of the new mulch

A close-up of the new mulch

The area at the entrance to Wortham World of Primates will be home to a bronze orangutan statue which will be installed and dedicated early next year.

The recycling process is simple – The tires are first shredded into strips, then ground to smaller pieces where powerful magnets are used to remove the steel fibers from the tires. The rubber from the shredded tires is mixed with a urethane base and the pathway is poured to the desired thickness, shape and form.

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Be sure you stop by to see Animals Assembled: A Safari Built with Lego Bricks! It's included in your Zoo admission! http://t.co/7WYUhH0U6c