When They Are Good

Oct5a 027The cultivation of dahlias brings to mind the famed Longfellow little girl verse.  “When she was good/She was very very good/But when she was bad she was horrid”.  Even if you give them everything you’ve got in the way of rich soil, good sun, staking, fertilization, good air circulation and your utmost devotion, it may not be enough.  You still need the blessing of the patron saint of all sulky, troublesome prima donna garden flowers-whomever she may be.  Not that one could ask for that blessing; it must be bestowed.  I do have one client for whom they perform on demand.  He says its the soil-I say what he manages with them is magic. 

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There are lots of reasons not to grow them.  Their stems are weak and floppy, and snap off without any provocation; a wind is likely to send them, along with the building of stakes you have erected around them, crashing to the ground.  Bugs love them even more than you do.  Earwigs set up housekeeping deep in the petals.  They can become infested with, and succumb to spider mites in what seems like the blink of an eye.  The plants are as awkward and ungainly as a teen-aged tea rose. Some shorter more stocky varieties are shy bloomers-figures. They hate cold weather, and cold weather goes with our gardening territory.

Oct5a 035Some sport blooms so large the word vulgar comes to mind. Some “dinnerplate dahlias”  have stems so weak the plant perpetually looks like someone spent the last hour giving them a thorough dressing down.  Fungus spreads like crazy from the bottom up; I have grown plenty of dahlia stalks with a few anemic and forlorn flowers on top.  When I grow them in pots, I face them down with something that has the decency to grow vigorously, and hide those ungainly dahlia legs. 

Aug 29b 018So why do I grow them?  In a good year, they are magnificent.  Loaded with flowers,  they remind me of the 19th century flower paintings of Rachel Ruysch; they are supremely grand.  The range of colors and forms is astonishing.  This dahlia is a “formal decorative” type.  Park Princess has petals shaped like quills; this form is known as a “cactus dahlia”.   

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If you have a love of color, dahlias deliver.  From pure white to the most audacious orange to carmine, all of the warm colors are represented. The bicolor varieties  evolve in appearance over the summer. When temperatures start to cool off in the fall, the contrast in colors seems to intensify. No doubt they are the big brass band of the flower world. 

Sept 18 044I am looking at these dahlias now as they have been at their peak this first week of October.  There is something to recommend about how they last into the fall.  They do hate cold weather; the best grown dahlias are those that have spent May and June in a greenhouse.  They transition from that museum like setting to the Michigan outdoors poorly.  It can take weeks before they loose that insulted look, and take hold.

Oct5a 024I think a too early planting can set them back such that they never recover.  They thrive in that rarefied hothouse atmosphere where wind, bugs, cold soil, and various pathogens are simply not permitted.  Dahlias are not great garden plants; they are an event you may wish to attend.

Oct5a 028Some of these party girls dress in a way that’s just plain fun to look at.  When they are at their overblown best, they make me smile.

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Now is the perfect time to decide if and which you will grow next year. They have put on the most glorious show this season I have ever seen, and I would not mind being treated to that again sometime soon.

Comments

  1. I never have the dilemma about whether or not to plant dahlias, as I have neither the space nor the winter stomping ground to keep them. However, I do admire them in OPGs (other people’s gardens) or marvel at them on the altar of the garden show table.

  2. Yes indeed. It has been an absolutely wonderful year for that most difficult plant, the dahlia. I’ve never seen any better results, yet cannot say exactly why this year it is especially so. But I will be back growing them again next year, still experimenting, doing what I can to coax these glorious performers into their September prime. Thanks for your thoughts, Deborah.

  3. Deborah, I plant these in my Kitchen Garden, solely for cutting fot the house. We use tons of these at the flower shop while they are in season, (soon to be finished, as I am sure frost is just around the corner). They are a big flower and cheap in comparison to a lot of our imports. I will miss them.

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