Sunday, July 22, 2012

Yucca Dabble Do!



It has been almost 2 years since I wrote of my attempt to find and then to grow Red Yucca, or Hesperaloe parviflora, here in Kansas. I had first seen this native Texas plant used as a common xeri- landscaping plant in Las Vegas, so I thought I'd give it a try here in dry and windy Kansas. Originally, I purchased three Red Yucca and one yellow-form (Herperaloe parviflora 'Yellow') from High Country Gardens.  The yellow-form Hesperaloe was a larger plant and it bloomed last summer and again this summer, growing slowly but steadily in a protected sunny exposure spot.  In fact, right now, I'm starting to think it is in a spot that's a little too shaded by an adjacent Caryopteris clandonensis.

The small fragile Red Yucca plants, however, really got put to a test in the Flint Hills environment.  All three were planted in a slightly raised bed surrounding a crabapple tree next to my driveway.  This put them directly in one of my worst wind-swept, sun-burnt, winter-cold-exposed beds.  Seriously, the next closest westward wind break for this bed is probably the Rocky Mountains.  As an added bonus, the soil in this bed was originally dull orange subsoil clay.  Daffodils, mums, petunias, you name it, they have all died in this bed.

I'm pleased to report, however, that the  Red Yucca's have done well.  From 4-inch tall plants with 3-4 leaf spikes each,  all three now have a good clump of basal foliage about 12 inches tall, and two of the three bloomed this summer on top of three-foot-tall racemes, as pictured at the left.  The blooms are red outside and yellow inside and are waxy enough to stand up well to the drying winds we've had on the recent hundred-degree days that cause the roses open and shrivel by the end of the day.  And talk about your long-blooming plants! One of my two plants first started blooming at the end of May and still looks as fresh as it did at that time.  I've been holding my breath, thinking that the prairie winds would surely break off the fragile-appearing raceme, but it has so far withstood the worst winds of the summer, including one blast with peak 70-80 mph straight-line winds. The second of my precocious bloomers opened up about two weeks ago and quickly reached the height of its neighbor.
As flowers go, you could safely say that I'm not personally excited by them, and at present this is a mere curosity.  I may change my mind, however, if these plants reach the size and exuberance I saw in Las Vegas.  I haven't seen the hummingbirds that this plant is supposed to attract yet, but I'll give it a few years to make a large mass before I call that part of the experiment a failure.  Till then, other gardeners in the dryer climes of the MidWest might want to give this plant a try.  Heck, as the climate here dries and changes, the native Hesperaloe may make their way to us anyway, becoming weeds in our gardens.  

Friday, July 20, 2012

I Have a Secret

It's a great big Surprise Secret, and by continuing to read this entry, you have to promise that you won't tell Mrs. ProfessorRoush about it.  Because, if She Who Has No Patience finds my secret out, she'll be like a child on a long trip, asking every 5 minutes how long it will be before we reach the destination. 

Okay, here it comes....you promise you won't tell her now, right?   I HAVE PECANS DEVELOPING ON MY PECAN TREE!  A whole dozen of them in fact.  That may not seem like a big deal to readers in Georgia, but believe me, while these might not actually be the first pecans to develop here in Manhattan, they're probably in the running to be at least honorable mention.  I don't know of a single other pecan tree in town.  Most local nurseries don't stock them.  Until a few years ago, a homeowner would have been told that they didn't grow here and if they did, they wouldn't produce nuts.  Well, nuts to that thought.

My pecan tree, a so-called Carya illinoensis "northern strain," was planted in 2003 and now stands at around 15 feet tall.  Pecan trees are supposed to require pollination from another pecan tree, so I've got another seedling about 50 feet away, and even though it's only 4 feet tall, it must have done the job.  Either that or I'm being fooled and these are the biggest gall wasps anyone has ever seen.  You see, I have to confess, I've never seen a pecan outside of the grocery store plastic bags.  I've never seen one actually growing on a tree.  Does anyone out there know how to tell when they're "ripe"?  Or how to process them?  I've got lots of reading and research ahead of me.

Mrs. ProfessorRoush will be very excited if I can surprise her with some fresh pecans.  She might even have to take back some of the mean things she has said about my gardening abilities.  Yeah, right, and I hear that while global warming is happening here on Earth, the glaciers are growing in Hades.  But an old gardener dream, can't he?

Wednesday, July 18, 2012

Altissimo Adoration


I'm still going to keep the anticipation level growing for 'Duchess of Portland', because this week I feel that I just have to show you my 'Altissimo'.  He's blooming in a third flush right now, and is quite a standout in his bed.  If a fellow of ruddy complexion does that well in a (garden) bed, then I feel he deserves a little moment of acclamation by an appreciative rosarian.

'Altissimo'
I grow 'Altissimo' as a shrub, although I know he can be used as a climber in some climates.  He's had a rough go in my garden.  When I was Zone 5B he struggled a bit and died back in the harsh winters, stretching up to 6 feet tall and then freezing down to his knees.  But since I've become Zone 6A (which still sounds a little odd and miraculous to say out loud), he's doing better summer to summer.  I also moved him about the time my climate jump occurred.  From the center of a dry bed where he seemed to sulk from being placed next to some boisterous taller ornamental grasses, I moved him to the sunny south-facing edge of a wetter bed.  He seems to like the sodden clay around his feet better than no moisture at all, or at least he likes the solitude of his placement without the encroachment of neighbors.

'Altissimo', registered as DELmur, is a cardinal red large-flowered climber who may grow to 15 feet tall in warmer climates, but I've only seen him to about 7 feet here.  The single flowers have velvety-textured petals and prominent yellow stamens and range from 4-5 inches in diameter.  Blooms are reported to have a mild clove fragrance, which I unfortunately can't detect.  'Altissimo' blooms in rapid flushes, but is rarely without a few blooms all summer long. The blooms stand out and almost glow against the dark green glossy foliage on a healthy bush with thick, stiff, moderately-thorny canes.  The foliage is fairly healthy, with a little blackspot at the bottom unless some preventatives are applied.  'Altissimo' was bred by Delbard in 1966 from a cross of 'Tenor' and a seedling.  Trimmed as a shrub, I can keep him neatly at around 3-4 feet tall, with a spread almost as broad.  The picture at the left is his third bloom cycle, still a stunning picture in the garden.

'Altissimo' is one of those roses that I think would make an excellent pillar rose if one were so inclined.  If we don't have a reversal from global warming to cooling within the next few years, I may try him that way myself because I hate to keep him chopped down when he could be reaching for the stars.  In the meantime, I can still relish his vivid red blooms at a more controlled height, shining like a beacon to drag visitors towards the back of my garden. 

Monday, July 16, 2012

Wrong side!

Listen closely, friends.  I'm about to let you in on a little known secret that the gardening "how-to" books never tell you.  We probably all know that some plants bloom more abundantly on their "sunny" side, right?  Well, how many garden experts actually take that thought to the next level and mention that, if we want to see bloom from our windows, we should select plants that bloom "towards us?"  Or, said another way, how often are we told to orient our garden beds so the best blooms will face the house, if it is your purpose to enjoy your garden from the inside?

I was struck by this thought recently as I walked around my garden admiring a Rose of Sharon, specifically, Hibicus syriacus 'Rubis'.  I have a number of different Hibicus, placed hither and yon in my garden beds, and it occurred to me that these bushes all bloom much better on the side facing the sun.  Which, in this case, is unfortunately NOT the side that faces the house.  As an example, compare the picture at the right of the paragraph above to the picture at the left of this one.  The two pictures were taken within the time it took me to walk around the bed and snap the shutter twice.  Lots more bloom on the top picture, correct?  Well, this is the side away from my house, facing almost due South (the direction the back of my house faces).  The opposite, or North side, faces the house and has much less bloom, depriving me of the best view of this shrub in the Autumn garden.  A white Hibicus with a similar issue is at the opposite end of this bed (the whole bed parallels the back side of my house).

Of course, this whole problem is moot if we plan to spend lots of time walking around our gardens and viewing them from all angles, as we know that we should.  ProfessorRoush, however, gardens in the Flint Hills of Kansas.  When this shrub holds center stage in my garden, it is always during the hottest days of summer, the dog days, and I generally interact with my garden only between the hours of 5 a.m. and 7 a.m. during that period.  I prefer to stay indoors and stare at my crispy garden during the remainder of the day.  I would be most appreciative if breeders would select for shrubs that  would bloom most heavily towards the house rather than away from it, whatever that direction might be.   Is that too much to ask?

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