Q.Growing Garlic - I live in northern Pennsylvania and it gets very cold/freezing here. How is garlic successfully watered when ground is frozen ...
A.Plant at least three weeks before the ground is frozen and water regularly till the ground freezes so roots can develop. Be sure there are several inches of mulch on top of the planting to protect the bulbs and prevent ...Read MoreQ.What Can I Do About Lichen On Yew Hedge Which Is Killing Branches - Have cut out dead branches & sprayed with fungicide but lichen is spreading
A.Lichen would not kill the branches so it must be something else that is causing the demise, such as insects or a disease. If you see webbing in the shrubs, they may have spider mites. Spray the shrubs well with ...Read MoreQ.Calla Lilies Do They Need To Be Brought In During Winter - if i plant callas in a large non working fountain its just for deco and above ground should i bring ...
A.Calla lilies are hardy in zones 8 to 10 but sometimes will overwinter in zone 7 if heavily mulched. Since the fountain is above ground you should bring them inside for the winter. Here is how: https://www.gardeningknowhow.com/ornamental/bulbs/calla-lily/calla-lily-winter-care.htmRead MoreQ.Why Are My Newly Planted Wax Myrtle’s Dying - Their leaves are turning yellow and then brown im in east texas
A.It could be too much or too little water. They symptoms are often the same. When first planted, they need a lot of water to get established. You may want to contact the place you bought the plant, they may replace ...Read More
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Q.Norway Spruce Problem - Hello, Please help me to identify the problem with my Norway spruce. Thank you. Olga
A.It looks like spruce galls caused by an insect. They can be pruned off or you can use horticultural oil treatments at correct times. These articles will help: https://extension.illinois.edu/sites/default/files/plant-clinic-report-spruce.pdf https://purdueplantdoctor.com/factsheet/tree-224 https://extension.entm.purdue.edu/publications/E-56.pdfRead MoreQ.What Variety Of Arborvitae Are These Cedars - Am looking to purchase these cedars and need to confirm arborvitae type. Thanks!
A.There are too many varieties to identify one from a photo, but these articles may help: https://plants.ces.ncsu.edu/plants/thuja-occidentalis/ https://www.gardeningknowhow.com/ornamental/trees/arborvitae/growing-arborvitae-trees.htm https://www.gardeningknowhow.com/gardening-pros-cons/arborvitae-pros-and-consRead MoreQ.Cotinus Propagation Via Cuttings - How long should I wait for the roots to start growing? I followed the directions on your website (thank you) ...
A.When new growth is apparent you can check to see if roots have formed. If so, you can remove the bag. Here is more: https://edis.ifas.ufl.edu/publication/ST207 https://www.gardeningknowhow.com/garden-how-to/projects/rooting-plant-cuttings.htmRead MoreQ.Help Identifying Plant Disease - I'm wondering if you can help me identify the plant disease I'm dealing with and assist with how to deal ...
A.It looks like blossom end rot. Treatment is the same for tomatoes and eggplant. These articles will help: https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-blossom-rot.htm https://homegarden.cahnr.uconn.edu/2025/06/15/blossom-end-rot/Read MoreQ.Milkweed - I live in Massachusetts. When can I safely cut back common milkweed so not to destroy any monarch eggs etc.
A.Wait till after the first couple of freezes to be sure no caterpillars are still on the plants. Eggs and caterpillars won't survive a freeze. You also can wait till spring to cut back what doesn't die back. Here is ...Read MoreQ.Do I Need To Do Anything With My Walking Iris Bloom Stems - I have a huge walking iris that finally bloomed this year. It has tons of bloom stems that are hanging ...
A.If the plants are grown in the ground, the plantlets take root when they touch the soil. Since yours are hanging from a basket, you can leave them aloft or cut them off and replant them. Here is more: https://www.gardeningknowhow.com/ornamental/bulbs/walking-iris/walking-iris-plants.htm https://www.gardeningknowhow.com/ornamental/bulbs/walking-iris/transplanting-walking-iris.htm https://gardeningsolutions.ifas.ufl.edu/plants/ornamentals/walking-iris/Read MoreQ.Red Montbretia Lucifer Crocosmia - I accidentally got rid of a red montbretia lucifer crocosmia that my wife liked and have planted some new seeds ...
A.Did you plant seeds or corms (similar to bulbs)? Seeds can take years to bloom and may look different from the parent plant. Corms should bloom the next year after planted. Seeds can be planted in a container and protected ...Read MoreQ.Orchid - What does it mean when a bulb is starting to bloom but falls off
A.It can be caused by many things such as lack of humidity, improper watering, insufficient light, and more. This article should help: https://www.gardeningknowhow.com/ornamental/flowers/orchids/orchid-buds-dropping.htmRead MoreQ.Do I Need To Scratch My Mint And It’s Soil? - My pothos, snake plant, and spider plants and soil fell into my raised mint garden. Tried to get all the ...
A.Rinsing the mint leaves well before consuming should be fine. You also can add a bit of dish soap to the water and swishing the leaves well through that if you are worried. Pothos and snake plant leaves are toxic ...Read MoreQ.How To Prepare Your Soil For Vegetables? - Is it advisable that every plant we prepared one small pit & put garden soil inside & then saw(put) seed ...
A.It depends on what you are growing and how deep the roots will grow. When you improve soil in small areas like that, it creates a "bowl" for the plant to grow in. The plant roots will stay within the ...Read MoreQ.Blocking Noise From Neighbors Raised HVAC - Hello! I live on the marsh outside Charleston, SC. The homes in our neighborhood are raised, and it is required ...
A.You are in hardiness zone 9a, so you do have evergreen options. Star jasmine, or just about any vining or shrub jasmine variety, should work. Star jasmine is evergreen in your zone so that will help with the noise factor. ...Read MoreQ.White Round Circle In Vegetable Plants Like Okra & Beans - See the photo & guide me? What are the reasons gor this & how to fix it?
A.Those are eggs of certain spiraling white fly pests. Remove the leaves when you see them. Here is more: https://ipm.ucanr.edu/pmg/pestnotes/pn7400.htmlRead MoreQ.Brown Spots On Beans Plants - I found these types of spots on leaves. What is the reason & how to fix it. I regularly giving ...
A.It looks like a type of blight disease. Be sure to water your plants from below and, for vegetables, provide full sun, aeration, and proper sanitation. These articles should help: https://www.gardeningknowhow.com/plant-problems/disease/common-garden-plant-diseases#section-1-blight https://ucanr.edu/site/uc-marin-master-gardeners/documents/beans https://www.gardeningknowhow.com/plant-problems/disease/plant-leaf-spots.htmRead MoreQ.Okra Plants Leaves Every Year. - Pl guide me in growing okra vegetables. I never satisfied since 4 years. Leaves becomes as shown in photos. Last ...
A.The leaves look like leaf miner damage and the lighter areas could be powdery mildew. The root problem the plants had before may have been root knot nematodes. Those can be diminished by solarizing the soil. Crop rotation helps, too. ...Read MoreQ.Can An Older Hydrangeas Plant Have A Rose Collar Placed Around It With Straw During Winter? - I have received several older hydrangeas plants and would like to know if it would help to place rose collars ...
A.Yes, you can add the collars for additional warmth during the winter. You don't say what type of hydrangeas you have, but the only type I would really be concerned about are the macrophylla types, also called big leaf or ...Read More
