Q.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 More
Join Us -
Sign up to get all the latest gardening tips!
Q.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 MoreQ.The Chenille Plant - What do the tails look like when it is time to deadhead them. Just got mine a couple weeks ago, ...
A.You can dead head the flowers when they have turned brown or are looking quite withered. Use a small snip to trim them from the plant and any leaves that are aging also can be trimmed from the plant. Here is an ...Read MoreQ.Ostrich Ferns - Older ostrich fern crowns seem to push up out of the ground & I assume freeze over the winter. How ...
A.If crowns lift themselves out of the soil, they should be replanted. https://www.gardeningknowhow.com/ornamental/foliage/ferns/how-to-divide-fern-plants.htmRead MoreQ.Dog Repellent - Will chili pepper hurt my plants ?
A.You should not put it directly onto a plant or around the roots, just in the area to deter animals from the area. Read MoreQ.Natural Dog Repellant - I want to try chili pepper as a repellant. The article doesn't say if it will harm plants. I just ...
A.Do not put the chili pepper on the plants, just around the area of the plant. https://www.gardeningknowhow.com/plant-problems/pests/animals/natural-homemade-dog-repellent.htmRead MoreQ.Linden Tree - why do my linden tree lose its leaves in spring and summer?
A.Something is probably interupting the flow of the tree's vascular system. It could be borers or another pest. Japanese beetles also really like to eat linden leaves. You should call a certified arborist to diagnose this problem.Read MoreQ.Type Of Fertilizer To Use For Mokey Grass - What type of fertilizer should be used on monkey grass and when should it be applied? Should you fertilize ...
A.I would wait for active growth and then apply a light 10-10-10 general fertilizer. https://www.gardeningknowhow.com/ornamental/groundcover/monkey-grass/monkey-grass-a-spectacular-groundcover-for-the-lawn.htm https://www.gardeningknowhow.com/ornamental/groundcover/monkey-grass/transplant-monkey-grass.htm Read MoreQ.Planting New Dahlias - I've been waiting for the last frost date before planting my new dahlias. While in storage, the eyes have grown ...
A.It sounds like you should divide your Dahlia tubers. These links will help https://www.extension.umn.edu/garden/yard-garden/flowers/growing-dahlias/ https://www.gardeningknowhow.com/ornamental/bulbs/dahlia/rooting-dahlia-cuttings.htm https://www.gardeningknowhow.com/ornamental/bulbs/dahlia/dividing-dahlia-tubers.htm Read MoreQ.Moss. Growing Where Grass Should Be - If moss is growing in an area that use to be grass what is wrong with the soil? This ...
A. Here is a great article that will help you pinpoint and correct the issues. https://www.gardeningknowhow.com/ornamental/foliage/moss/killing-moss.htm Read MoreQ.Bleeding Heart - My bleeding heart is so large, I would like to know how to trim or divide it. From what I ...
A.Yes, you can transplant a Bleeding Heart. Wait until it has finished blooming or move it in the fall. https://www.gardeningknowhow.com/ornamental/flowers/bleeding-heart/bleeding-heart-care.htmRead MoreQ.Trumpet Vine - I have two older trumpet vines. One is getting greenery and the other isn't showing any buds or signs ...
A.I agree that there seems to be no signs of life or growth in the 2nd vine. Are the stems pliable when you bend them? Do they snap and break? Dead stems will break right off. If the stems still ...Read More
