Q.Climbing Hydrangea - We have three climbing hydrangea. It has been four seasons and still no blooms on any. The plants ...
A.You may have too much nitrogen in your soil. Have a soil test done, your County Extension Office for a soil test. Phosphorous can help boost flowering; an application of Bone Meal is an easy way to do this. https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/hydrangea-not-blooming.htm https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/bone-meal-fertilizer.htmRead MoreQ.Persimmons And Citrus Trees - Both my persimmons and citrus ( calamondin) trees died during the cold freeze last December. Now I noticed there ...
A. That is frustrating to lose trees over the winter months, or really any time we lose our trees that we labor over! There is never any guarantee if or when you would have any fruit from the root stock. If they do, ...Read MoreQ.Can You Grow Miniature Roses In A Container Inside The House? - My mother-in-law has raised miniature roses for years. She no longer lives where she can plant anything outside. Is it ...
A.Yes it is. You will need a spot with good sunshine or perhaps a grow light over them. Many mini-roses do well in pots. https://www.gardeningknowhow.com/ornamental/flowers/roses/miniature-roses-containers.htmRead More
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Q.Strawberry Runners - Can I sting the strawberry runners coming off my plants up against A fence and them still produce strawberries or ...
A.You can likely do this and get some Strawberries. Strawberries can be grown in hanging baskets and containers and the runners bear fruit in that manner. It certainly sounds like a fun garden project to try! https://www.gardeningknowhow.com/edible/fruits/strawberry/growing-strawberry-runners.htm Read MoreQ.Groundcover Roses - how far apart should you plant wedding dress groundcover roses?
A.Bring ground cover roses, they will reach out and grow well. I would leave a good three feet clearance between plantings. They may still meet up with on another but should do so in a beautiful manner as her growth ...Read MoreQ.Pineapple Guava - My pineapple guava is loaded with blossoms but they won't open and have started falling off the tree. Is my ...
A.This could be a sign of too much water or a nutrient deficiency. Pineapple guava prefer slightly acidic soil. You can use an acidic fertilizer or bloom boosting fertilizer to see if there is any change. This article may help: http://www.gardeningknowhow.com/edible/fruits/pineapple-guava/feijoa-pineapple-guava-info.htmRead MoreQ.English Linden Tree Dying? - Our 100+ year old english linden tree has about 10% of the branches dying. In our 20 years living ...
A.It sounds like either a borer problem or the tree roots on the barren side may be girdled. Either way, the best course of action is to call a certified arborist to diagnose it.Read MoreQ.Switch Grass - Help my switch grass looks dead? We planted last Year....thoughts?
A.It may be too early yet, give the grass more time. The rhizomes may be still cold and just waking. New plantings may have done better with winter mulch protection, depending on your growing zone. Here is a link with more information. https://www.gardeningknowhow.com/ornamental/foliage/switchgrass/growing-switchgrass.htmRead MoreQ.Weeping Pussy Willow - I bought my pussy willow maybe dec jan and it bloomed catkins right aways the eventually all fell off now ...
A.If the tree did not leaf out, it may have died. Check the branches-do they bend or snap off? If the branches snap, they have died. Scratch the bark, live bark should be green underneath. https://www.gardeningknowhow.com/ornamental/trees/tgen/tree-scratch-test.htm Read MoreQ.Sedums - Do sedums like more acid in the soil? Is there a good supplement I should be using? When I planted ...
A.Sedums survive in nearly any soil conditions. You may have planted the commonly found Autumn Joy Sedum. An Autumn Joy Sedum does best in moist soil with a ph between 6.0 to 7.5 which would be moderately acidic. Each spring you ...Read MoreQ.White Flying Gnats? - Good day, My lovely pyracantha is being attacked by what looks like white/albino flying gnats. The shrub/tree is suffering, leaves ...
A. Neem oil can be used to treat White Fly. Neem oil is organic, safe for people and pets. Here are some articles that will help you. https://www.gardeningknowhow.com/plant-problems/pests/insects/whitefly-control.htm https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm Read MoreQ.Hostas - Can you tell me what is wrong with my ostas and how to treat it?
A.This looks like a fungal disease, the white powdery substance specifically. There could also be pests, they like to prey on already weakened plants. I would treat them with neem oil. This article may help: http://www.gardeningknowhow.com/ornamental/foliage/hosta/hosta-problems.htmRead MoreQ.Hydrangea Trees - Do deer eat hydrangea treas? Do deer eat Japanese dwarf Korean lilac trees?
A.Both shrubs are rarely eaten by Deer, though a hungry Deer will consume anything. https://njaes.rutgers.edu/deerresistance/ http://www.virginia.edu/blandy/blandy_web/arboretum/deer_resistant_shrubs_trees.pdfRead MoreQ.Plum Tomatoes - I have plum tomatoes in pots. The first ones to come out are still small and green, but are ...
A.It sounds like blossom end rot, a fungal disease. These articles may help http://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-blossom-rot.htm http://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/applying-calcium-nitrate-for-ber.htmRead MoreQ.Plant Identification – Shrub - Could you please help with the identification of the pictured garden plant? Kind regards, Nigel Makin.
A. This is a Milkweed or Asclepias. The exact cultivator is not know. https://www.gardeningknowhow.com/ornamental/flowers/milkweed/growing-milkweed.htm Read MoreQ.Black Round Spots Of Birds Of Paradise - I have a lot of small black round spots resembling seeds. I am not sure if this is a ...
A. Seeds of a Bird Of Paradise are black with a small orange fluff attached. See if you can get a closer look at the specks and determine if it is pests; I would lean toward that issue. Treat the plant with Neem ...Read MoreQ.Roundup - How long does it take for Roundup to leach into the water table - 200 feet down? Does it harm ...
A.I'm afraid these questions are out of my expertise. Much research has been done and continues to be in the forefront of environmental concerns. We are not supported by any chemical manufacturer. I have listed a few links for you, but ...Read More
