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Cooperative Extension: Garden and Yard

Soils and Composting

Why did my cucumber plants not grow in a raised bed?

Question: I planted cucumber seeds in a raised bed 1 in early May and they did not come up. I was given some well established cucumber plants that I placed in the same raised bed and they nearly died within a week. I transplanted them to another raised bed and they are looking better… they […]

Can I plant garlic in raised beds that have contained red clover?

Question: If I have planted red clover in raised beds that I won’t be planting into this growing season – as part of a rotation strategy – can I use one of those beds in Oct to plant my garlic into? How much nitrogen will the red clover have fixed in six months? How would […]

Do I need to increase the copper and iron levels in my soil?

Question: Last year I had a soil test done through the University of Maine Cooperative Extension. The copper and iron levels were a bit low (copper=0.10/ iron-2.7). Do I need to increase these levels? How would I do that? I’ve read that the soil pH level affects uptake of these micronutrients. My soil pH is […]

Is it too cold to plant lettuce when the temperatures have been in the low 30s at night?

Question: I live in the midcoast region. I would like to start planting lettuces, but the temps have been low…30’s at night and 40’s-50’s during the day. Is it still too early/cold or can I plant the seeds? What other cold weather vegetables can I plant now? I will be adding compost and 5-10-5 to […]

Do you have a simple DIY formula for making a simple NPK fertilizer for my garden?

Question: Do you have a simple DIY formula for making a simple NPK fertilizer for my garden? Answer: Kate Garland, Horticulturist Thank you for reaching out. I frequently help people figure out a good fertilizer blend for their home gardens, but always base it off a soil test from the Maine Soil Testing Service. A […]

Does the University of Maine Cooperative Extension test soil?

Question: Does the University of Maine Cooperative Extension test soil? Answer: Jonathan Foster, Special Project Assistant We do indeed perform soil testing, via the UMaine Analytical Laboratory. You can pick up a soil test kit from the any County Extension office or request one directly from the lab (information on their website). That standard soil test fee […]

When should I plant a cover crop for raised beds in the spring?

Question: I have a small home garden that is set up in beds. Now that the snow is gone, I want to plant a cover crop/green manure crop. I have a field peas and oat mix. How soon can I plant this mix? The snow is gone on my well-weeded, beds and I want to […]

What is the best way to plant shadblow bushes in clay conditions?

Question: I recently purchased two shadblow bushes (Amelanchier canadensis). We have very heavy marine clay on our property. I often amend with lots of compost/rich soil, but recently I am hearing more and more about how too much compost can create conditions where the roots just stay in the soil-rich area. Approximately how much compost/rich […]

Does soil matter to native plants?

Question: Does soil matter to native plants? Answer: Jonathan Foster, Community Education Assistant As explained in our UMaine resource, Soil and Plant Nutrition: A Gardener’s Perspective, soil is a critical resource for all plant life, providing plants with anchorage, water, and critical minerals and nutrients, among other things. So, in that sense, soil is just as […]

What type of soil should I layer on top of my asparagus bed?

Question: What type of soil should I layer on top of my asparagus bed? Answer: Jonathan Foster, Community Education Assistant Asparagus crowns should be planted in a pre-dug furrow and covered with light, sandy (and therefore well-draining) soil so that water doesn’t accumulate at the roots and shoots can easily penetrate the surface. If the […]

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