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Ask the Patch Pros: All About Gardening

Looking to start a garden? Wondering about the best plants to grow in Minnesota? Our pros are here to help.

You know that one neighbor of yours with the amazing garden? Admit it, you're a little bit jealous whenever summer rolls around and everything starts blooming.

Given your two brown thumbs, it's understandable you might have a hard time competing. Until now, that is, because you just gained a secret weapon: the brains of our Patch pros.

Have you been having trouble pruning your rose bushes? Perhaps you want to know the best vegetables to plant in Minnesota. Or maybe you're just wondering how to get rid of the Asian lady beetles making a home in your garden. Whatever the problem, our Patch pros are here to help.

Larry Cipolla, a Hennepin County Master Gardener, is ready and able to offer helpful advice on anything related to gardening. Larry is also a member of the Minnesota Hosta Society and the American Hosta Society.

Tim Zimmerman is the city horticulturalist in charge of all of Edina's gardens and the city's greenhouse. Joining him is Ted Stephenson, the horticulturalist at  in Edina.

UPDATE: Another expert has joined the fray. Jason Ladd, a Richfield resident who works for the U of M libraries, has been gardening all of his life as a hobbyist. He's taken several horticulture classes and currently manages a 30-by-40 square foot vegetable garden with eight raised beds.

If you have any plant-related questions in the next few days, please post them in the comments below. One of the aforementioned Patch pros will get you an answer ASAP.

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Jason Ladd June 21, 2012 at 01:00 pm
Most perennials, and quart plantings will not spread too much the first year. If you have 6 or more hours of sun they should perform much better next year. It also doesn't help that we've had so much rain. I think all the gardens are behaving a bit oddly right now. I also planted shastas this year, but from seed. Mine are only seedlings so far, so I am not sure how they will look yet. I like to intermix my perennials with annuals to fill in the area. A lot of stores have annuals for 50% off right now. Otherwise I feel you could also plant some seeds, that way you would have a fuller bed next year. It can be extra work to do that as far as weeding goes, if that's the case mulch might be a better option.
Jason Ladd June 21, 2012 at 01:11 pm
I can't think of much that will tolerate that much nitrogen. It might be better to use repellents around the bushes or temporary fencing until he gets trained not to use that area to relieve himself. ie. tight netting. I find repellents are a hassle due to variances in breeding and the rain. Some plants that tolerate salt like juniper, rugosa rose, or certain grasses might work. Or even plants with thorns. Others say running out there with the hose to dilute the area can help. And I've also read that mixing ammonia and dish soap can be a homemade deterrent as well as garlic/ pepper mixes. I don't know about you, but I am not chasing after my dog with hose. You could try this book as well http://amzn.com/1929242077
Jason Ladd June 21, 2012 at 01:21 pm
Those are nasty little bugs. I've had mixed success in dealing with them. They do tend to come back as they can survive in the soils. I've used soap sprays, neem oil, and poison. I find a mixed approach works best over 2 week quarantine. Before I bring any plant inside I spray it down inside a big plastic bag, tie it up, and leave in there all night and then haul it to the basement away from any other house plants. There are some 3 in 1 spray products out there under different brands, including organic ones. I will also on occasion completely replace all the soil and spray the roots. As it's easy to get an fungus gnat infestation as well. I leave the plant in basement quarantine for several weeks until I am sure there are no bugs. If the problem is not resolved I pitch the plant.
Jason Ladd June 21, 2012 at 01:24 pm
The only sure way to deal with deer is deer fencing. Expensive. Otherwise there are deer resistant options for plants. You might want to get together with your neighbors to see if a shared fenced in garden is an option. There are repellents which have fairly good success, but with the MN rain, in the long run can be expensive and time consuming.
Jean Fox June 21, 2012 at 01:34 pm
I have a "vegetable" garden raised bed that appears to have been made of old railroad ties. I think it has been there about 20 years. Is it safe to use for vegetables?
Tim June 21, 2012 at 02:17 pm
Jean;
The old railroad ties were drenched in creosote and can slowly leach into your soils. The longer the railroad ties were there, the greater the possibility of creosote leakage. If it was my garden, I would keep it in flowers and not plant vegetables because of the possible risk. You can do soil test and have the University of Minnesota test it. If you are to do this, I recommend 3 soil samples from differant parts of the garden. Tim
Joanne June 21, 2012 at 02:44 pm
Rabbits don't like Marigolds...plant those around your other annuals and they'll stay away! :)
Margaret Wachholz June 21, 2012 at 03:10 pm
The photos added are just gorgeous! Q. Is it ok to add weeds to the compost pile? Will they decompose well enough, so that when I am ready to use this black gold again in the lawn and garden, it will be good compost. Or, am I just reseeding the property with weeds again.
I've learned from the questions and answers. Many thanks for doing this for us...I'm sure you are in the middle of your busy season and your time is valuable. Cheers!
Jason Ladd June 21, 2012 at 04:04 pm
I wouldn't, only because the chemicals RR's and utilities use to treat that sort of timber is highly carcinogenic. Even after that long, I wouldn't trust it on my kids. It's OK for flowers and edging though.
Jason Ladd June 21, 2012 at 04:11 pm
Thanks Margaret. No worries. I am either out in the yard or in front of a computer doing research (academia). I took today off to add brick walkways to my vegi garden (slowly). Weeds are OK for "hot" composters. The kind that either turn or get hand mixed on a regular basis. Any seeds will be killed. Only put weeds in cold (non turned) compost piles if there are no seeds. I have both kinds. 2 for leaves, and 2 that tumble. The membership superstores here sell the tumbling kinds for under 200 I believe. Otherwise you can often find great deals online. I use grass clippings for mulch.
Larry Cipolla June 21, 2012 at 04:37 pm
Hi Caitlin, I am not sure what you mean by "pretty," but here are some suggestions for you to consider.
Tropical Plants could include Rubber Plant, Jade Plant, Sanseveria 'Black Coral', and Sanseveria 'Laurentii', Phapis Palm, Ti Plant (magenta-like leaves), and Janet Craig Limelight. However, before you go off and buy the store out, where do you want to put the plant and what type of light is in that area? Some plants will require bright sunlight for most of the day, while others do very well in low light or a shady area of your house. For example, Spider Plants require bright, direct sunlight; Pothos Vines can handle indirect light and do well under fluorescent lights; Aloe, requires full sun, but can survive in a shadier area (and if you tend to get boo-boos, the Aloe Plant is great for relieving pains from burns, itchiness from mosquito bites, etc. Other possibilities are Chinese Evergreen (low light) and if you want a hanging container consider Walking Iris, which creates a delicate white and blue flower. The flowers only last a day, but maintenance is close to zero. I hope these few suggestion help.
Tim June 21, 2012 at 04:42 pm
An inexpensive way to keep away deer is to buy a large 12 oz. bottle of the cheapest hot sauce. Pour the bottle in a gallon of water and stir it. The next day stir and you can use the new hot sauce. Use a cheap foam brush and dip the brush in the new solution and spatter your plants. Once your foliage dries it will leave a hot residue that the deer and rabbits hate. You need to apply to the foliage everytime it rains. You can mix smaller amounts, (1/2 bottle hot sauce to 1/2 gallon of water.)
Larry Cipolla June 21, 2012 at 04:43 pm
Hi Kirsten,
Rabbits in Edina? You jest! When the snow begins to melt, rabbits will eat pretty much anything that looks green. Once vegetation is more available then tend to be less of a bother, unless of course, what they are eating is what you don't want them to eat. First, almost any herb (except Basil) is Rabbit proof. You can also consider a mix of perennials and annuals, such as Yarrow, Columbine, Sage, Asters, Balsam, Begonias, Coreopsis, Dahlias, Bleeding Heart, California Poppy, Ferns, Daylillies, Candytuft, Lupine (Red and Blues make a great color combination), Bee Balm, Beard Tongue (Penstemon), Santolina, Lamb's Ears (nice fussy leaves), and Verbena among others. Hope this helps.
Larry Cipolla June 21, 2012 at 04:50 pm
Hi Kris,
Yes, you should practice rotating crops, regardless of the size of your garden. You rotate to minimize insect damage and diseases from the soil. Basically, you do not plant vegetables from the same Botanical Family in the same space for at least three years. I practice a five year rotation, but the UMINN folks recommend three as a minimum. For example, if you plant Potatoes, Tomatoes, Peppers, and Eggplants, which are in the Solanaceae Botanical Family, in the same row or area this year you should not plant any of those vegetables in the same row or area for at least three years. That goes for container gardens as well. This year in Container #1, you can plant a Tomato. Next year, you can plant almost anything else in that container soil EXCEPT another Tomato, Potato, Pepper, or Eggplant. And, by the way, Sweet Potatoes are not in the Solanaceae family. They are in the Morning Glory or Convolvulaceae family, so you could plant a Sweet Potato slip in "Container #1 if you wanted (or flowers, herbs, cucumbers, etc.).
Kris Janisch (Editor) June 21, 2012 at 04:53 pm
Thanks guys!
Larry Cipolla June 21, 2012 at 05:01 pm
Hi Karen,
JBs have already emerged in the metro area. I saw my first one on a Pea plant this past Sunday. They are here. They will be here for close to forever and keeping them in check will take a little work on your part. First, Milky spore is not effective against the adults. It some minor effect on the grubs, which have been eating the roots of your grass last summer, fall, and in the spring. Second, don't even think about using the yellow hanging traps--or any trap! The JB traps include a female pheromone, which is designed to attract male JBs. You will certainly trap the adults, but with a trap you are attracting many, many more JBs to your yard. So, I suggest not using them. Sevin (carbaryl) is effective against many pests, including the adult Japanese Beetle. However, I would not recommend it because it kills ladybugs and other beneficial insects. It is highly toxic to bees and people--you, me. When you spray Sevin on a flower, the flower becomes toxic to bees and any insect that lands on it. The best method, the safest method, is to use a bucket with some water and dish soap. JBs tend to drop to the ground when they sense a predator (you, me). Use a five-gallon bucket; place about 3" of water and dish detergent in the bucket and hold the bucket below the JBs, knock them into the bucket, they will die within 30 seconds. Guaranteed!
Larry Cipolla June 21, 2012 at 05:09 pm
Hi Margaret,
Here comes the bride! Creeping Charlie (CC) is an accepted ground cover in England, but not so much here. If you like your lawn nice and pretty, with no weeds, then CC is not for you. However, it is one of the earliest flowering plants in the spring and, as such, is very beneficial to bees and other insects. And it is one of the few plants that will survive (thrive) in full sun and deep shade so if you have a patch of soil where nothing seems to grow, CC is your pal. That said and you have decided that CC is not for you, you can purchase chemicals such as Weed-B-Gon that will kill CC. However, make certain you see CC on the front of the label. Regular Weed-B-Gon will not kill CC. Read the directions for any chemical you decide to use. Some are designed to kill only broad-leafed plants, while others will kill anything it touches. Never apply chemicals when it is breezy or windy. You will destroy half the neighborhood. Asian Beetles: they were not a big problem last year, at least we as master gardeners did not get many calls about them. A few years ago there was a heavy infestation, with complaints that the beetles were biting folks. Not a big deal, but a major nusiance. Last year it was JBs galore and into the fall-winter there were a lot of Box Elder bugs--those cute orange and black bugs that clung to the south side of your house and eventually found their way inside.
Kris Janisch (Editor) June 21, 2012 at 05:12 pm
He's no Englishman, but my buddy loves creeping Charlie. "It's green, isn't it?"
Chris Steller (Editor) June 21, 2012 at 05:44 pm
My parents carefully dug up some Creeping Charlie in Ohio and imported it to our backyard in Minnesota in the 1970s. Later, they realized what they'd done.
Craig Piepkorn June 21, 2012 at 05:47 pm
If you create an area of pea gravel in your yard, you can train the dog to urinate there. Use a lot of positive reinforcement when training.
Susan June 21, 2012 at 07:10 pm
I hope you don't mind, I have posted many pictures taken in my neighbor's gardens. Every year they spend hundreds of hours outside working...a hobby they truly enjoy. Because of our location, many are able to enjoy the beauty. As a thank-you each year, I take pictures all summer long, and present them with a book each Christmas. They really like this, and I would recommend it to anyone who wishes to remember their work and contribution to the beautification of our neighborhoods. I make the book online, and use Shutterfly, but I believe there are many different site for this.
Caitlin Burgess (Editor) June 21, 2012 at 07:16 pm
Oh, we don't mind at all. They are quite the gardening team!
Margaret Wachholz June 21, 2012 at 09:28 pm
Jason, that makes a lot of sense regarding the composting. I'm kinda doing what you suggested, but it's nice to know the process and the gospel according to hot/cold composting. I was not aware of this. I purchased a black compost bin from the City of Woodbury many years ago for $25.00, and it seems to serve well for the hot composting. I can't say I'm always working it correctly or like I ought to be doing so. Thanks a million.
Margaret Wachholz June 21, 2012 at 09:33 pm
Kris, your friend is worse than the English so! Let's blame the English for Creeping Charlie. That sounds good to me. It can really choke out plants and flowers and when it is throughout the lawn, it's difficult to pull out. Now of course there are worse things out there, of course, like... if you began to like and talk like an Englishman.
Kris Janisch (Editor) June 21, 2012 at 09:39 pm
Next time I see you Margaret I'm busting out an accent.
Margaret Wachholz June 21, 2012 at 09:40 pm
And, Chris Steller just threw his poor parents under the bus. Those English and those Ohio..ions!!!
Chris, I'm cleaning the beaches in Puerto Rico for episodes of that dating game (can't remember the name of it. The Bachelor or something like that) and then, have to come home to rid us of Creeping Charlie in MN. "Tis duty, I suppose.
Margaret Wachholz June 21, 2012 at 09:56 pm
Listen Buster, you had me thinking of owls last night. Then, I hear something screeching. Shall I go out with the camera or not!? Remember I told you Kris I went to go Whale Watching last Feb. I did and spent 2 weeks & all I got was wrinkles from squinting. I was expecting to brush off the barnacles off a 52 foot, 50 ton humpback whale. I really did. Others should know the dangerous missions you send me on!!! I found out the hard way. It's harder to rub up against a whale where the 4 chamber heart is about 430lbs=3 adults. Boy, I was disappointed...
...Any way I'm heading off to Fridley to a parade. Fridley has parades on a Thur night where some friends reside. I didn't think anything was going on here, but then I saw a sign for a beer bonanza sign on Schooner Way. Next to it was a sign for an Open House. Is this the way you are selling houses now?? So, Woodbury is not dull whatsoever but I'm going to Fridley. And, instead of your owl and rabbit request, I'll be sending you a piece on how to age like scotch and all that awaits you in your senior years. We wouldn't want you grumpy in your ripe ole age, would we? Talk later so.
Kris Janisch (Editor) June 21, 2012 at 09:58 pm
Ha! Sounds good to me!
susan June 23, 2012 at 01:04 am
continuing on with the daisy garden hopeful, here. when i trim off the dead blossoms, where on the plant is the best place to trim to encourage fuller growth?
Plymouth Recycler August 19, 2012 at 11:46 am
This year my zucchini and spaghetti squash succumbed to root rot. I had some trouble with that last yearbook. Have u any suggestions for minimizing that disease?
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Mike B. June 19, 2013 at 05:45 pm
What a mess already on US 169! Why don't they just close most of the ramps now???? That way,Read More traffic would run smoother. There is no reason for cars to try to get on a freeway that is already jammed. Make those other drivers use side streets.
Mike B. June 19, 2013 at 05:47 pm
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Mike B. June 12, 2013 at 05:47 pm
The new layout of the Patch is fine. A few of the liberal/left-wing posters are not happy thatRead More they can't have a running commentary on each story, and hurl personal insults at conservative posters.
Kevira Voegele (Editor) June 13, 2013 at 07:34 am
Hi @mary kosters. Were you able to fill out the feedback form? We're collecting feedback so we canRead More decide what, if any, changes to make in the future with the layout. The lead photo of the marching band is intended to stay the same every day. That is not a story photo; it is a picture that shows a slice of life in Edina. Can you be a bit more specific about what you don't like about the division of news, home and business? Those divisions are almost identical to how things were divided prior to the redesign, so I want to understand what you find useless.
mike savick June 17, 2013 at 10:10 am
The small blue print on the email notifications make it hard to read Mike B's exaggerations andRead More fairy tales.