Q.Winter Care - Winter care I live in Pennsylvania should I trim back my Astilbe plant for the winter I just planted it ...
A.Astilbe can be optionally cut back after the foliage has died and turned brown. Or, you can wait until spring and then clear away the old foliage. Don't trim closer than 2 inches from the ground to avoid damaging next ...Read MoreQ.Your Iphone App - I'm distraught. All my history in your app is inaccessible. I try to log in but it says wrong password. ...
A.BTW - I've managed to post here with previous password which appears to be recognised!! Read MoreQ.Moon Cactus - What can help save my moon cactus? It is turning yellow dry and brittle. Roots look good as far as ...
A. At this point, the bottom half may not recover. It has been uprooted on top of what appears to be a fungal infection. The top of the cactus is a separate type of cactus grafted on top. This has ...Read MoreQ.Building A Flower Bed - after digging out the sod, do yo treat the soil with anthing before building tbe dirt mound? put plastic down ...
A.Mixing in compost or other amendments is very advantageous, depending on the soil texture, pH, and nutrient levels you start with: https://www.gardeningknowhow.com/special/starting/ https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/best-soil-raised-garden-beds.htm https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/how-to-improve-clay-soil.htm https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm Using plastic at the bottom of a raised bed is an option, but not required. It can be advantageous if ...Read More
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Q.Hibiscus - Any tips for encouraging hybiscus healthy growth?
A. A proper site with enough sunlight, well-drained soil, appropriate watering, and some fertilizer if necessary will help your hibiscus grow. This article will help you: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/how-to-care-for-hibiscus-plants.htm Here are our other hibiscus articles: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/ Read MoreQ.Winter Protection - I have three mosquito plants (citronella) and I am worried that the winter will kill them. Should I keep them ...
A.These are pretty sensitive to the cold. You can grow them as indoor plants relatively easily. Here is an article that will help: https://www.gardeningknowhow.com/edible/herbs/scented-geranium/mosquito-citronella-geranium-plant.htmRead MoreQ.Red Twig Dogwood - Will Red Twig Dogwood grow well in very sandy soil if exposed to full sunlight? If so, it would ...
A.It would survive there, and do just fine. I would not recommend it for erosion control, as it grows a taproot and will not do a very good job at this. There are many things you can plant for erosion ...Read MoreQ.Transplanting A Mock Orange Shrub That Is In A Congested Garden Area - What is the best way to transplant my mock orange shrub without harming it? It is close to a large ...
A.This article will help you: https://www.gardeningknowhow.com/ornamental/shrubs/mock-orange/transplanting-mock-orange-shrubs.htm Also try not to damage the roots of the nearby shrubs, but since the mock orange is being transplanted, keeping its roots intact is more critical. Read MoreQ.Oxallis Dormancy - I have an oxalis that has a very special meaning to me. It is about 25 years old. ...
A.They do like a dormancy every now and then. I will include a link at the end for more information. Now, as for the powdery mildew... There are many effective ways to control this. Neem oil is not always the ...Read MoreQ.Fig Tree - Hi ..I have a white fig tree growing in my backyard in Bossley Park .NSW and a borer has bored ...
A.There are a few things that you can do to help prevent the issue in the future, and more than likely kill the pest inside, if his nest isn't too well established. Neem oil, Garlic oil, and rosemary oil are ...Read MoreQ.Potted Magnolia Tree - Hello I have inherited a potted magnolia tree from a terrace and now have it indoors near a window that ...
A.Many Magnolias do this naturally. Unless the leaves are drying out and falling off, then this is not a concern. This type of Magnolia does not lose its leaves for the winter. On warmer days, if it is possible, Maybe ...Read MoreQ.Black Eyed Susan - We have a vine black eyed susan. Do we cut it back for winter? Will it come ...
A.It looks like you are in gardening zone 5b. Black eyed susan vine only survives the winter in much warmer climates (zones 10 and 11). It is possible to keep the plant over the winter by taking cuttings of it ...Read MoreQ.Burning Bush - I had planted a burning bush 2 years ago and the leaves have not turned the red color. What do ...
A. The most common reason for burning bush to fail to turn red is lack of enough hours of sunlight. However, there are also variety differences, with some specimens not producing as much of the red color. If possible, moving the ...Read MoreQ.Devils Backbone Plant - My devil's backbone plant keeps losing it's leaves. Why could this be happening?
A.This can have several causes. Too much light can cause this as could chilly temperatures. They will only survive in zones 9 and 10. Over-watering is another possibility. Here is an article that will give you more information on the ...Read MoreQ.Meyer Lemon Trees - are there any lemon trees that can be grown outdoors year round in new jersey? Central area,near new brunswick?
A. It looks like you are in gardening zone 6b. Meyer lemons must be brought indoors for winter in zone 6b: https://www.gardeningknowhow.com/edible/fruits/lemons/growing-meyer-lemons.htm The only citrus that is grown outdoors in zone 6 is the trifoliate orange, Citrus trifoliata, which produces fruits that are ...Read MoreQ.Tree Philodendron - Desperate for help and exhausted from searching. I have a beautiful mature 8x8 ft tree Philodendron in my garden. I ...
A.Thank you, Please break down the method of obtaining a cutting. I have not had a clear picture of how that is done. I need the basic information to get started. I thank you for the instructions on treating, planting ...Read MoreQ.Tomato Plants - What to do with the tomato plant after season is over before winter comes around?
A.Compost your tomato plant if it was free of disease and insect pests. Place in trash, if you don't have a municipal compost option, if the plant was diseased or infested.Read MoreQ.Bugs Eating The Leaves Of My Gardenia - How do I get rid of these with out harming my plant?
A.If you suspect insect infestation there are many ways to deal with it. Neem oil, and rosemary oil are both very good means to keep pests away. This link leads to a collection of articles that will give you many ...Read MoreQ.Draft Meyer Lemon & Lime Trees In Contaners - My trees are 5 years old and they have never had lemons or limes. Can you tell me why?
A.There can be many reasons why this is happening. Did you purchase the plants as grafted trees, or were they seedlings? Did they come from a fruit that you had eaten? If they weren't from a seed bank that knew ...Read MoreQ.The Bachelore Button Flower - I planted the flower from seed, but the plant did not produce any flowers. Will it come back next spring?
A.If your bachelor button, aka cornflower, plants don't bloom, something is wrong unless you planted them late in the summer. They are annuals, vigorous bloomers and set so much seed that they are considered weedy. Too much fertilizer results in ...Read More