Spearmint Plants

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  1. Spearmint Plant
  2. Spearmint Plants
  3. Spearmint Plants and Effect on Growth of Other Plants
  4. Harvesting Spearmint
  5. Worms in My Mint Plants
  6. growing spearmint
  7. herb cross pollination
Asked by Anonymous on April 15, 2011
Spearmint Plant

I am trying to grow spearmint plants inside in a small pot. I bought the plants at a grocery store. The leaves are drying up and turning brown even though they are watered twice a week. I see small gnats flying on them. What is wrong and how do correct it?

ANSWERS
Nikki
Certified GKH Gardening Expert

It could be dry in the center, in which case you could try soaking the pot in water. However, your problem could also be due to mint wilt (otherwise known as verticillium wilt), a fungal infection in the soil. While there is no treatment, you could try fertilizing to strengthen plants or repotting with a fresh, clean potting soil, inspecting the roots prior to replanting. Discard any dead or dying plants.

Here is an article that you may find helpful: https://www.gardeningknowhow.com/edible/herbs/mint/how-to-grow-mint-plants-in-your-garden.htm

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Asked by Anonymous on May 1, 2011
Spearmint Plants

I made the mistake of planting spearmint plants in my vegetable garden and it is taking over. How do I get rid of them or at least get it under control?

ANSWERS
Nikki
Certified GKH Gardening Expert
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Asked by Anonymous on May 16, 2011
Spearmint Plants and Effect on Growth of Other Plants

I have a patch of spearmint plants growing. If I pull them up and plant some vegetable plants there, will there be any problems getting them to grow there? I planted some squash plants there last year and they just died.

ANSWERS
Nikki
Certified GKH Gardening Expert

First, you'll want to make sure that all the spearmint has been removed, as these plants are somewhat invasive. Since you have had problems in the past with squash, you may want to get the soil tested to find out what nutrients may be missing in the soil, as well as the pH level. Once you have done this, you can correct any issues.

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Asked by Anonymous on June 20, 2011
Harvesting Spearmint

What is the correct way to harvest spearmint? I have seen references to sprigs, stems, etc. How do I tell the difference of each, and what is best way to harvest (i. e. pluck leaves, cut sprigs or stems) and how far down? I get plants (in large pot) to grow nicely, only to have the plant slowly die once I start harvesting. I live in south Florida where we have hot to warm weather usually 12 months a year.

ANSWERS
Nikki
Certified GKH Gardening Expert

Sprigs and stems are essentially the same thing. Typically you would harvest it like you were giving the plant a haircut. Simply cut off what you think you need.

It sounds like the plant may be dying after harvest due to disease getting in the open wounds. Trim only with very clean scissors and shears. You can wipe them off with rubbing alcohol even to kill anything that may be on the blade that could hurt the plant. Then, after you harvest, provide a little more water to the plant so that it is less stressed and can fight off disease better.

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Asked by Anonymous on July 6, 2011
Worms in My Mint Plants

I’m growing quite a bit of spearmint and recently noticed worms in the mint. I use the mint for tea. How can I get rid of the worms or any other pests that get there? Again, I plan on using the mint in tea, so I need a remedy that won’t get me sick.

ANSWERS
Nikki
Certified GKH Gardening Expert

Bacillus Thuringiensis (Bt) spray can quickly eradicate these leaf and stem-eating worms. It is a safe, biological insecticide. In fact, Bt a bacterium which is toxic to many moth and butterfly larvae (caterpillars) and will not harm the plants or other beneficial creatures, including us. In addition to using Bt in the garden for worms and caterpillar pests, you can try neem oil. Both are safe to use. Here is more information: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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Asked by hootie2 on June 2, 2012
Growing Spearmint

I bought a spearmint plant yesterday. It was in a bio-degradable pot so I stuck the whole thing in the ground. It is by a recently trimmed rose bush, but I can cut the roses back. How big will the mint get and how fast will it spread?

ANSWERS
gardfei

spearmint will get up to 4 feet tall and can get wide. it may need to go elsware.

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Asked by hootie2 on June 6, 2012
Herb Cross Pollination

I have chocolate mint and spearmint growing, one in the front yard and one in the backyard. I have heard that mint hybridizes easily. I was wondering if I took a cotton swab and cross pollinated the flowers, would they be like a mix between the two? It would only affect the seeds though right, not the original plants. I would collect the seeds. I also am growing basil, oregano, and sage. Would any of those cross?

ANSWERS
Heather
Certified GKH Gardening Expert

Yes, you can do this and they would be a mix. And yes, it would only affect the seeds. Certainly worth it to try.

Basil will cross with other basils and oregano with oregano and sage with sages but not with each other.

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