Cypress Trees Yellowing-Browning Problem

How can the cypress trees be restored to health? The yellow-orange-rust brown leaves are spreading throughout the trees and this seems to be happening at a rather rapid pace.


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Howard County MD arborvitae trees normal leaf shedding 6 days ago

How can I create a Patio Pollinator garden

What can I do with just a container garden to help pollinators?


Howard County MD container gardening pollinators 6 days ago

Beetle Eating My Trees

Dear Cooperative Extension Expert, I am attaching photos showing damage to my tree and the beetle that seems to be the culprit. Can you identify the insect (it is approximately 1 inch in length) and advise the best way to get rid of it. The damaged tree pictured is one of two in my yard, but I've noticed damage to trees in my neighbor's yard as well. None of the trees affected appeared to be sickly or distressed in any way prior to the infestation. Looking forward to hearing from you.


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Cecil County MD invasive pest emerald ash borer 6 days ago

choke cherry?

I thought it might be choke cherry, but leaves look different from those in my tree book..Can you identify for me? Thanks,


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Anne Arundel County MD shrub identification invasive elaeagnus 6 days ago

grass seed

What is the best time to dormant seed a lawn ?


Howard County MD lawn dormant seeding 6 days ago

tree diagnosis

Pine tree branches turning brown in random areas. See att pic. Also there is an issue with my Cherry Blossom. See att pic. I live in the yellow springs area of frederick Thanks,


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Frederick County MD arborvitae trees cherry tree normal fall color cherry shot hole 7 days ago

green kyllinga

My neighbor has a good sized patch of Kyllinga. I believe it to be False Green Kyllinga as it has the small round seed balls. Currently both of our yards are being devoured by wire grass (perhaps Bermuda grass?) and I am curious if this could out grow the wire grass and maybe be a way to get rid of it and maybe then we could remove our "savior" and go back to real grass. That would be iffy because all of our neighbors have the wire grass and I have noted that it sends out lots of seeds. When I moved here 43 years ago there was a lush lawn and all I did was mow, water and fertilize, and one day I looked down and saw that I had a disaster. Any thoughts would be much appreciated


Anne Arundel County MD weeds kyllinga lawn bermudagrass 7 days ago

question about azaleas

My azaleas, which have been pretty burly for a long time, seem to have a fungus. Some branches are dead, brittle, with a green lichen like growth in it. I have received the following advice to handle this 1. just dig them up and start over, 2. cut them way back and 3. spray them. Any help would be greatly appreciated


Baltimore MD shrubs 7 days ago

Help! Monarch Caterpillars

Good morning, I have about 5 or so monarch caterpillars that are still alive on my milkweed. I would say they are about a week away from turning into chrysalis. With the temperatures dropping, I don't think they will make it and be able to migrate. Is there an indoor local butterfly sanctuary I could bring them to? Thanks Sharon


Howard County MD beneficial insects and pollinators 7 days ago

Trees for Property Line

I need 3 or 4 trees to put on my property line. They will face west and in the winter it can be somewhat windy. They should be fast growing, base 3' to 5",; height 12' to 18' at maturity; dark green foliage and green year round. Single trunk. Possibly Arborvitae


Somerset County MD plant selection arborvitae trees green emerald arborvitae normal growth 7 days ago

Boxwood blight

I may have an issue with boxwood blight . Can I preventively treat with propiconazole -a DMI . Can I still treat in Montgomery County. Any suggestions. These are Justin Bauer boxwoods ~200 -part of a Knot garden. They look pretty good but I have Accent boxwoods at corners (Green Mountain boxwoods ) which have some dead leaves and a few red leaves. I'm just concerned. Any suggestions?


Montgomery County MD shrubs invasive possible boxwood blight boxwood blight boxwood red and dead leaves disease issues 7 days ago

inkberry bushes


My inkberry bushes in front of my home have become leggy. I want to trim them back for winter but I'd like them to look nice too! If that is possible, how can I accomplish the task?

Thank You,


Anne Arundel County MD 7 days ago

Arborist Tom Lupp suggested we contact you. He recommended treating our...

Arborist Tom Lupp suggested we contact you. He recommended treating our mature beach trees with Reliant Systemic fungicide and Pentra-Bark penetrating surfactant . We have done this treatment, three times since 2010. The infection subdues but shows up again as pitch canker, on one tree' the bleeding is oily and brown and on the second tree is greenish brown, six feet from the ground and higher. We need an expert opinion as to how often can we do the treatment. Also we want to consult on the dose. We are using 62.4 Reliant plus 62.4 fl oz water plus 3 fl oz of Pentra-bark. The application is basal bark spray.


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Montgomery County MD disease issues beech trees beech with fungal infection beech with phytophthora native 7 days ago

What is the name or type of this heirloom blue corn?

I got these seeds thru a Master Gardeners seminar at The Ag Center in Baltimore County on heirloom seed saving. I have grown them for a couple of years. I have just grown it but now I want to bake with it but I can't remember it's name or type to get recipes. I am sending 3 picture to help you. It grows on shorter green stalkish leaves and the kernels are singular at the ends. They are Not on cobs. They are next to tall sunflowers to get an idea of their height.Thank you


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Baltimore County MD plant identification 8 days ago

overwintering passion flower

I live in Berlin, MD. I have had a passion flower vine on my deck for the summer. Can I cut it back and store it in my basement for the winter? If so, do I water it occasionally? Thank you.


Prince George's County MD flowers: annuals and herbaceous perennials plant care 8 days ago

Please ID this amphibian




Howard County MD wildlife toad identifcation 8 days ago

Organic soil conditioners - company name: Simple Lawn Solutions

This company - is it an approved soil liquid aerating product:Liquid Soil Aerator: Alternative to Physical, Core & Mechanical Aeration, Liquid Soil Loosener loosens compact soil and break apart hardpan. Aerating soil will help downward movement of water allowing more water and air to get to the roots. Soil Conditioner: Enhances soil structure, detoxifies soil and improves root growth by decreasing compaction. Breaks apart soil colloids, loosening clay and hard dirt & soil. Helping your lawn receive nutrients, green up turf and improves overall soil & grass health. Helps Standing Water, Promotes Drainage: Increases nutrient availability by helping fertilizer reach the root zone. Safe, Natural, non-toxic bio-degradable treatment. Safe for children and pets. Produced In The United States: Liquid Soil Loosener is manufactured in the United States of America, by a family owned business with 24 years of former experience in the turf industry.


Anne Arundel County MD lawns and turf soil 8 days ago

shrub pests

Can you give me your best plan for dealing with white prunicola scale on my cherry laurel bushes. I am thinking to use a wire brush to get the scale off and then spray with horticultural oil. Any other suggestions would be appreciated.


Baltimore County MD shrubs pest insects and mites 8 days ago

pachysandra bed looks bad this October

My large established bed of pachysandra seemed fine this summer. Early October I raked the leaves off and noticed that the pachy seemed wilted and weak like it does in the middle of winter. I thought this may be due to the prolonged dry conditions we had in Maryland. The pachy is looking worse this week. Should I be worried? What can I do? I have attached a pic of the bad section, a close up of the bad, and a pic of the better section. Thanks for your help!


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Howard County MD disease issues groundcovers pachysandra volutella in pachysandra invasive 8 days ago

holly bushes dying one by one

I don't know the variety of holly. Previous owner planted it about 19 years ago. Last summer one bush started turning brown branch by branch and soon was completely dead. At the time I suspected something had destroyed the roots, or maybe the roots were too wet from all the rain. But then the one next to it died later in the summer, and now the one next to that is dying too, during a drought. Others in the same area still look healthy. Those are all in the back yard in an area that is generally moist (not this year of course) and gets part sun, but now another one in the front (full sun) is dying too. I'm attaching a picture of two branches from the same plant in different stages of dying, and two pictures of one affected plant in context with its healthy neighbors.


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Anne Arundel County MD drought shrubs flooding holly abiotic issues hollies dying 8 days ago

I live in Frederick MD. When do I plant Narcissus bulbs outside? I do not...

I live in Frederick MD. When do I plant Narcissus bulbs outside? I do not want to force them inside before planting them.


Frederick County MD bulbs flowers: annuals and herbaceous perennials 8 days ago


Is there a way to use earthworms and/or bloodworms to handle dog poop on a home level? I am aware that some national parks are using bloodworms in a redesign of the outdoor latrines, and getting food results.


Anne Arundel County MD compost 8 days ago

Vegetable killer

Hello, I learned while ago that Black Walnut produce a chemical that does not let vegetables grow. Is black walnut the only tree/plant that does this or there are others like other nuts or fruites with large seeds like Peach? I do compost all fruit leftovers including seeds and skins and then use the compost for my vegetable garden Please advise.


Montgomery County MD fruit composting black walnut allelopathy 8 days ago

Tulsi in cold countries

I would like to know if Tulsi is perennial in cold countries ( transferred indoor for over wintering). If so are there seeds for such perennial cultivar of tulsi?


Frederick County MD herbs 9 days ago

Liriope browned by drought

Usually, the large bed of liriope at our community sign looks good until Jan/Feb. But the drought has made it look yellow and awful now. I finally watered it two weeks ago, but it made no difference. The outer leaves are yellow. When I look closer, I see that it is green below the yellow. So, what can we do now (Oct 13, 2019)? Usually we cut it back by mid March to a low level (3 or 4 inches from the ground). Should I do that now or just cut it back enough to look better and wait until mid March to cut it back to 3 or 4 inches from the ground? Thank you,


Anne Arundel County MD liriope groundcover 9 days ago

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