Victoria seedlings add a touch of summer to the Aquatics greenhouse
While the hardy waterlilies in our outdoor display ponds are just waking up from their long winter's nap, the atmosphere behind the scenes in our Aquatics greenhouse is decidedly more summer-like.   Here, tropical waterlilies are getting an early jump on the season in tubs of water heated to simulate their native habitats.   As the seedlings grow, each new leaf will become larger and more rounded than the previous leaves.  Leaf rims will...
Must see garden number one! Quarry Hill Botanical Garden
Here's what Bill was looking at, in case you were interested. The Katsura tree is relatively widespread in gardens (at least in mild, temperate locales), but very rare in nature. For us in Colorado it has some intriguing attributes: it was once widespread here in the Quaternary (albeit millions of years ago)...as were an amazing number of the plants found at Quarry Hill: so a visit here might be construed...
I didn't realize until now that I visited four public gardens last week.  Naturally, I saw something different at each, and more remarkably, I had my camera with me.  I hadn't planned to compare the four, but why not?  Four Gardens in different places between central Denver and the Chatfield area really illustrate how different spring appears in different places all across the front range.  The challenge is that spring...
Cherry Blossom Blitz
With the beautiful, warm weather recently I have spent a lot more time outside and have enjoyed watching the first signs of spring every where I look. My chives are coming up in the garden and my lilacs are leafing out. Here at the Gardens there are so many plants starting to bloom, from the daffodils to the magnolias. Observations like these make up the science of phenology.
Peru Discovery - Chapter 4
I have wanted to visit Machu Picchu since I first glimpsed a photo of it in my 4th grade geography text book.  Today, along with the rest of our tireless group, I would get that opportunity. There are many theories of how Machu Picchu was used by the Inca Empire but several are more accepted than others.  Some believe it was an estate of the Inca emperor Pachacuti (who may have...
Pre-Order Fall Bulbs Online!
Blooming Beauties! There are some fantastic bulbs blooming right now! The Gardens is emerging with color and the first few days of spring are really feeling, well, a lot like spring! Plus, there are a bunch of delightful bulbs that can be ordered through the Fall Bulb Pre-Order Sale. What is the Fall Bulb Pre-Order Sale? The Fall Bulb Pre-Order Sale is a collection of spring flowering bulbs that can be pre-orderd to be picked up at...
Ah, Spring!  The North Takes a Deep Breath
One of my earliest science class memories (and maybe one of yours, too) is learning that people and other animals “breathe oxygen” and plants “breathe carbon dioxide”.  I carried this gem all the way to AP biology in high school, when things got complicated.  As it turns out, plants need and use oxygen for all the same things that we do, and they exhale carbon dioxide to boot!  So what’s going...
Fall Bulb Pre-Order Sale!
I am excited to announce the first Fall Bulb Pre-Order Sale at Denver Botanic Gardens! The Fall Bulb Pre-Order Sale is a collection of spring flowering bulbs that Denver Botanic Gardens horticulturists felt are the best--the bulbs that we thought should be given a gold star. With the Fall Bulb Pre-Order sale, it makes bulb designing easier (since your spring garden is currently blooming when you order) and eliminates searching for that perfect bulb when you get busy in the fall.
Peru Discovery - Chapter 3
After a quick breakfast at our hotel, our adventurous group of travelers loaded a bus and began a day of exploration of the Urubamba Sacred Valley.  After following the Urubamba River out of Cusco, we began climbing along a new highway to Cuyuni Pass, a mountain peak at an elevation of nearly 14,000 feet.  After being greeted by our guide, we spent the next several hours hiking along an Andean mountain...
Adonis, Japanese Pheasant eye
Here Fukujukai is only in bud a few weeks ago, but the bronze foliage is so sculptural and the buds so alluring that it still makes a bold statement. Adonis annua: the annual Adonis. Yes, Virginia. There are scarlet Adonis. This one is naturalized in one spot at Denver Botanic Gardens: alas! It is annual! But loves to grow in Colorado. If you want to establish this, sow fresh seed...

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