
Stan V. Griep
Stan V. Griep contributed to Gardening Know How for many years and has been a Colorado Native Rosarian for over four decades. He is an American Rose Society Certified Consulting Master Rosarian in the Rocky Mountain District, and a member of the Denver Rose Society, the Loveland Rose Society, and the American Rose Society. In addition, he is an award-winning floral photographer and has published several books of rose photography. He is Gardening Know How's in-house expert on all things roses.
Latest articles by Stan V. Griep
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When To Apply Rose FertilizerRoses need fertilizer, but fertilizing roses does not need to be complicated. There is a simple timetable for feeding roses. Read here to learn more about when to fertilize roses.
By Stan V. Griep
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How Much To Water Roses During DroughtsIn times of drought and as a water-conserving measure on my part, I will often conduct some moisture meter tests when it is time to water them again. This article will help with rose care during dry weather.
By Stan V. Griep
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Learn More About Tree RosesTree roses (aka: Rose Standards) are a creation of grafting by using a long rose cane with no foliage. You can learn more about tree roses in the article that follows.
By Stan V. Griep
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Roses And Downy Mildew: Identifying And Treating Downy Mildew On Rose BushesDowny mildew on roses is a problem for many rose gardeners. Roses affected by rose downy mildew will lose beauty and stamina. Learn more about this disease and how to treat it in this article.
By Stan V. Griep
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Protecting Roses In Winter: How To Repair Winter Damage To RosesThe winter season can be very hard on rose bushes in a variety of ways. That being said, there are things we can do to lessen, and even eliminate, the damage. This article provides information on treating winter injury in roses.
By Stan V. Griep
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Container Roses: Growing Roses In PotsGrowing roses in containers allows you to have roses in your yard, even if you have limited space or less than ideal conditions for roses. Learn more about roses in pots by reading this article.
By Stan V. Griep
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Growing Miniature Roses In Pots - Tips For Care Of Miniature Roses Planted In ContainersGrowing beautiful miniature roses in containers is not a wild idea, especially if you're limited on garden space. So if this sounds like you, read this article to get tips for growing miniature roses in pots.
By Stan V. Griep
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Managing Climbing Roses: Learn About Training Climbing Rose PlantsPictures of roses climbing up an ornate trellis or old structure stir up romantic and nostalgic juices. Creating this effect does not just happen. In most cases, it takes some real effort and an ever-vigilant rose-loving gardener. Click here to learn more.
By Stan V. Griep
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Drought Tolerant Rose Types: Are There Rose Plants That Resist DroughtIt is possible to enjoy roses in drought conditions. Just look for drought tolerant rose types and plan things out beforehand to get the best performance possible. Read this article to learn more about the best drought tolerant roses.
By Stan V. Griep
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Dog Rose Information: Learn About Dog Rose PlantsLike many wild roses, the dog rose has a rich history. And, like most wild rosebushes, it has an aggressive growth habit that is considered invasive in some areas, overcoming desired plants in the garden. Learn more about this rose variety in the following article.
By Stan V. Griep
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Zone 4 Roses – Learn About Growing Roses In Zone 4 GardensMany of us love roses but not everyone has the ideal climate for growing them. That said, with adequate protection and proper selection, it is totally possible to have beautiful rosebushes in zone 4 regions. Click here to learn about roses hardy to zone 4.
By Stan V. Griep
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Choosing Zone 3 Roses – Can Roses Grow In Zone 3 ClimatesCan roses grow in Zone 3? You read correctly, and yes, roses can be grown and enjoyed in Zone 3. That said, the rosebushes grown there must have a toughness and hardiness factor way above most others on the common market today. Learn more in this article.
By Stan V. Griep
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Sub-Zero Rose Information – Learn About Roses For Cold ClimatesIf you've never heard of them before, you might wonder, "What are sub-zero roses". These are specifically bred roses for cold climates. Learn more about sub-zero roses and which types work well in a cold climate rose bed in this article.
By Stan V. Griep
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Steps To Eliminate Spittlebugs - How To Control SpittlebugNever heard of spittlebugs? You are not alone. Most probably have seen the nest they make and wondered if someone spit on their plant. Find out more about these pests in the article that follows.
By Stan V. Griep
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What Is Rose Picker’s Disease: Tips On Preventing A Rose Thorn InfectionThe thorn on a rose stem provides an excellent device for transmitting infectious material into your skin, as is seen with rose picker's disease, a fungus from rose thorns. Read this article to learn more about this rose thorn infection.
By Stan V. Griep
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Controlling Rose Pests: Tips For Managing Rose Curculio WeevilsIf your rose blooms aren?t performing as well as they ought to then it is likely that you have been visited by rose curculio weevils. If left uncontrolled, they will totally take out your rose bush blooms! Learn how to control them in this article.
By Stan V. Griep
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Iron Deficiency Of Roses: Iron Deficiency Symptoms In Rose BushesRose bushes need some iron in their diet to help them remain in good health. This is just one of the keys to good nutrient balance to be stronger and more resistant to disease attacks. Take a look at iron deficiency of roses in this article.
By Stan V. Griep
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Rooting Rose Cuttings: Can You Grow Rose Cuttings In A PotatoPropagating or rooting rose cuttings to make more of the rosebushes we love using potatoes took to the internet a while back. I personally have never tried using potatoes but may well do so at some point. Learn more about this technique here.
By Stan V. Griep

