Aspirin roses were first bred in 1989 in Germany by Hans Jurgen Evers. Hans was a famous rose breeder that first went to work for Rosen-Tantau in the early 1960’s and later took over the company in 1985 and ran it until he passed away in 2007. The rose Aspirin was created by crossing The Fairy rose with the unnamed rose RT 83-350. The result is a simple but very pretty white rose that has subtle shades and specks of pink throughout.
The rose Aspirin will produce blooms that are a little smaller than you might expect for a Floribunda rose, only reaching about 1.5 inches in diameter. The blooms will have quite a few petals however, as many as 40 per bloom, and they will have a very subtle fragrance, if any at all. The plant itself will stay bushy and compact and only grow a little over 3 feet tall at full maturity with a width of just about a foot or so. This rose is a great container rose and it is very resistant to blackspot and mildew!
Growing the rose Aspirin is not difficult for most growers and if you have any prior experience growing roses, you should not find this variety to be all that challenging. The biggest choice you will have to make in the life of your roses is where in the garden you ultimately grow them. Roses require a lot of sun light if you want them to perform well and this variety is no exception. Try to select a location that gets at least 6 to 8 hours a day of full sun.
You also will want to grow your Aspirin roses in soil that drains well. This is a very common mistake many newer growers make, but it is also a very easy one to overcome. These days there are a wide variety of soil mixes available on the commercial market, many of which are designed specifically for roses. You really just need to select the one you prefer and plant your roses in that. This is a critical part of growing roses and choosing the right growing medium will allow you to get the best performance from your rose Aspirin.
Getting your rose Aspirin into the ground is pretty straight forward and most growers can get the job done very well with just a few basic hand tools. How you go about planting your rose does depend a little bit on how you purchased it. If you bought your rose locally, then chances are it was already planted in a container and ready to bloom. These are the easiest to get into the ground. Dig your hole at least twice the diameter of the container and equally as deep. This will keep the bud union at its current depth while giving you plenty of room around the root system for your soil mix.
If you bought your Aspirin roses online, then they probably shipped them to you as bareroot plants, which is very common. You should first soak the roots of these in a bucket of lukewarm water prior to planting day. Then dig your hole as wide as the longest roots on the plant, and deep enough to allow you to set the plant on top of a mound of soil while keeping the bud union no more than an inch or so below the surface of the soil.
Once you have your rose Aspirin set in place on the mound, spread the roots out in all directions and then back fill the hole about halfway to start, using your soil mix. Take your garden hose and water the loose soil heavily until it flows around the roots like mud. Then go ahead and back fill the hole the rest of the way. Give the soil one more heavy watering and be sure to top off any final settling that may occur. Do not tamp down the soil.
Taking care of the rose Aspirin is also not very hard and once again if you have any prior experience growing roses, that will certainly come in handy here as well. You will need to make sure that you are providing your roses with enough water and nutrients while taking great care not to overdo it. For most climates this amounts to about one deep watering per week. If you live in a hot or dry region, you should check on your roses every 4 to 5 days just to be safe.
You also should consider giving your Aspirin roses a dose of a granular all-purpose fertilizer in the spring when the leaves begin to bloom. This will give your roses a great jump on the season. Like most floribundas, this rose is also a repeat bloomer which means it will benefit nicely from a few additional feedings over the course of the growing season. I will usually give my roses their second feeding immediately following the first big bloom, and then a third feeding sometime around the middle of the summer to encourage late season flushes. Your rose Aspirin should do very well on this schedule as well.
You should prune your rose Aspirin in the very early spring, after the weather breaks, but before the leaves have opened. This makes pruning so much easier. Start by removing all the dead and discolored wood from the plant and set your cuttings aside. Next, prune back any overlapping lateral canes as these will eventually compete for sun light once the leaves fully open. Lastly, give the remaining canes a cut back by about one third of their current height to promote new growth.
This is also the best time to clean up around the base of your Aspirin roses and get rid of any dead material that might have collected there from the previous growing season. Throw all of this material away in the trash, along with your cuttings. Never let dead matter lay around your roses as it can quickly turn into a breeding ground for various pests and diseases. Finish up your pruning by giving your rose Aspirin a fresh new layer of mulch to start off the growing season!
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