Q.What Is Wrong With My ‘fire And Ice ‘ Hibiscus? - the leaves are turning Red and the bush looks like it has pink spots.
A.That variety is supposed to have splashes of maroon and pink, but it may intensify due to stress. The dark spots are more worrisome. It looks like a burn, like fertilizer burn perhaps. Was it recently fertilized? Has there ...Read MoreQ.Leggy Tomato Starts - Although I have my indoor germinating tomato starts almost touching the correct lights. and a fan blowing on them gently, ...
A.Starting them too early can cause leggy seedlings. Are you giving them a weak fertilizer solution? Are your grow lights on 16 hours a day? If not, try that. These articles should help: https://extension.psu.edu/successful-tomatoes-from-seed https://www.gardeningknowhow.com/edible/vegetables/tomato/growing-tomatoes-from-seed.htm https://www.gardeningknowhow.com/garden-how-to/propagation/seeds/leggy-seedling.htmRead MoreQ.USDA Zone Explanation – What Do Hardiness Zones Mean Exactly - Im researching to start planting in my yard in zip 33713. Usda site: "determine which perennial plants are most likely ...
A.You are looking for plants that include 10. For example, a plant rated 7 to 10 or 8 to 10. The reason certain plants may only be rated from zone 3 to 7 is the plant does not tolerate excessive ...Read MoreQ.Non GMO Peach Trees - Where is a good place to order non GMO peach trees?
A.I am not finding any information that says any peach trees are GMO. So you should be able to buy peach trees locally that are non-GMO. This information may help: https://www.ams.usda.gov/rules-regulations/be/bioengineered-foods-list https://ohioline.osu.edu/factsheet/HYG-5058Read More
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Q.What Could Be Causing Dead Blossoms On Sweet Cherry Tree? - I'm not sure about the variety of sweet cherry.Its a huge tree now blooms like crazy every year. Every year ...
A.It could be a brown rot blossom blight which is a common cherry disease. Apply a fungicide right before the blossoms open. Here is more: https://hortsense.cahnrs.wsu.edu/fact-sheet/cherry-brown-rot-blossom-blight-and-fruit-rot/Read MoreQ.My Outdoor Potted Plants Were Killed Because They Were Covered During Termite Fumigation. Do I Need To Replace All The Soil In The - se very large planters or just the plants? How does fumigation for termites effect the nutrient level of potted plant ...
A.plants that will be under a fumigation tent should be covered. If yours were not, then the fumigation pesticide has infiltrated your potted plants. To err on the side of caution, I suggest replacing all the soil. You may want to ...Read MoreQ.Lavender Questions - Good morning I just purchased some of your lavender plants from Walmart and my question is what type of soil ...
A.We don't have any products to sell in Walmart but we do have partners in the Garden Shop. https://shop.gardeningknowhow.com/ Here is more about lavender: https://www.gardeningknowhow.com/edible/herbs/lavenderRead MoreQ.Besides Pruning, Are There Other Remedies For Fire Blight In Pear Trees? - I have a new Southern Bartlett which has already leafed out. I want to know as much as possible about ...
A.You are wise to aim for prevention rather than after the fact. Here is more about the disease and management strategies: https://ipm.ucanr.edu/agriculture/pear/fire-blight/#gsc.tab=0 https://www.gardeningknowhow.com/ornamental/trees/identifying-common-tree-pests-diseases-how-to-protect-your-trees https://www.gardeningknowhow.com/edible/fruits/pear/bartlett-pear-information.htmRead MoreQ.What Are The “bulb” Looking Little Things That Form Under A Daffodil Bloom After It Has Been Cut And Used For Cut Flowers Inside - i believe this is narcissus
A.That is a seed pod forming. You can grow daffodils from seed but it requires patience and the resulting flowers may not look like the parent. Here is how: https://www.gardeningknowhow.com/ornamental/bulbs/daffodil/daffodil-seed-cultivation.htmRead MoreQ.Sea Holly Taproot - After 5 days, my sea holly is popping out of ground! Is this normal?
A.No, the taproot should keep them anchored. Do you have any underground critters that might be tunneling? Here is info on sea holly and underground diggers. https://www.gardeningknowhow.com/ornamental/flowers/sea-holly/sea-holly-flowers.htm https://botanicgardens.uw.edu/about/blog/2007/07/01/july-2007-plant-profile-eryngium-sapphire-blue-blue-sea-holly/ https://news.oregonstate.edu/news/moles-voles-and-gophers-dig-garden https://ucanr.edu/blog/real-dirt-blog/article/serious-garden-pests-voles-moles-and-gophers?postnum=49119Read MoreQ.Can I Successfully Raise Geraniums In A Shaded Area Of A Garden In Zone 4 Ontario? - Area is fairly damp. I will be using good garden Vigoro Soil and Mulch.
A.Geraniums need full to part sun and well-drained soil. So you may want to grow something that takes shade and likes a moist site. Here are some ideas: https://www.gardeningknowhow.com/special/shade/finding-a-shade-loving-plant.htm https://www.gardeningknowhow.com/special/shade/shade-tolerant-flowers.htm https://www.gardeningknowhow.com/ornamental/flowers/geranium/geranium-care.htmRead MoreQ.Should Temperatures Be 50 Degrees Overnight As For Lawn And Garden Cleaning? - should temperatures be 50 degrees overnight as for lawn and garden cleaning?
A.It is best to wait till the last expected frost date has passed or when nighttime temps are consistently at 50 degrees F. You also can go by the soil temperature being 50 degrees F. In case of a freeze, ...Read MoreQ.Staghorn - Hello, We have a staghorn that has lived in Southern California its whole life. It’s about 20 years old. We ...
A.Staghorn ferns cannot tolerate cold weather. They originate in humid, tropical forests. It is best to overwinter your fern indoors. Here is more on its cold hardiness: https://www.gardeningknowhow.com/ornamental/foliage/staghorn-fern/staghorn-fern-cold-hardiness.htmRead MoreQ.Can You Provide Any Assistance With A Stone Pine Tree? - I live in zone 7a, 7b and have a Stone Pine. It was a rough winter and it has some ...
A.I am finding these trees are hardy to USDA zone 8, so you are on the edge. Do not do any pruning till May or June. Give it time to recover. Next winter, take more precautions such as heavily mulch ...Read MoreQ.Do You Need To Cover Or Treat The Area Of A Large Branch? - Our trees are older and I am hoping if I remove a large branch it would less likely to break ...
A.It is no longer advised to treat where a branch has been cut. The cut will heal better on its own. Here are some pruning tips, plus how to raise the crown: https://extension.umd.edu/resource/pruning-trees-home-landscape/Read MoreQ.Should I Remove This Blue Spruce? - I have a blue spruce that is (I'm guessing) at least 90 years old. It is very tall and spindly, ...
A.At that age and its current state, it is probably best to remove it. Needle cast is one disease that defoliates the tree. Conifers are not able to respond with new growth on defoliated stems, so it can't rejuvenate. Here ...Read MoreQ.Privet Hedge Mystery Issue - I have a row of Privet hedge that is nearly 40 years old. Two of the bushes are having some ...
A.It looks like something is feeding on the leaves, possibly black vine weevils. You can look for them feeding at night. The larvae feed on the plant roots, which could cause root disease. The white areas could be due to ...Read MoreQ.What Type Of Flower Is This? - I received a flower arrangement w/ this flower in it.
A.It looks like a type of Grevillea, also called spider flower or silk oak. The shrub/tree originated in Australia but now is widely planted in North America. Here is more: https://ucanr.edu/sites/PlantSafely/ToxicPlantList/Grevillea_spp/index.cfm https://www.gardeningknowhow.com/houseplants/grevillea/grevillea-plant-care.htmRead MoreQ.Has My Callistemon Been Damaged By Winds/cold Weather Uk Based - I overwinter my callistemon in the greenhouse but this year I put in the porch plenty of light but think ...
A.It could be from drying winds, but it also could be a nutrient deficiency. Each spring fertilize with a balanced fertilizer (where the N-P-K numbers are the same such as 10-10-10). I thought I saw scale insects but I believe ...Read More
