It only takes a minute to sign up. That’s simply not true. For a more widespread problem, start by using a spray of warm water mixed with a few tablespoons of biodegradable soap. If these plants are from a single chunk of mint stem, use a 4" peat pot with potting soil. If these are grown from seed or are separate; get potting soil, little peat pots and a tray to hold them upright, fill 1/3 full, tamp down lightly or knock the bottom of the little pot a few times on a hard surface. You've used garden soil in a pot. Answer Save. Because the heat of the water causes the chlorophyll to change turning it into pheophythin which has that dark color. Propagating by vegetative means is the same but depending on the size of the leaf or stem/node chunk the pot is still proportional. Using a teaspoon spoon soil and roots out of the 'soup' in the big pot, go very slowly so that you are able to pull as many of the long roots completely out of that soil. Gently land your little plant into the peat pot. Knock as much soil off the stem that you can, leave the roots alone. dropper post not working at freezing temperatures. They, and all my other thousands of plants, all get watered from overhead (by hand, nearly every day in the late spring) and the leaves get wet. } Lv 7. In this case, the brown spot will be very tiny and light and you don’t have to take any step rather wait for a few days and it will vanish automatically. But the rest of the plant will remain a dark green. This site is protected by reCAPTCHA and the Google Gardening & Landscaping Stack Exchange is a question and answer site for gardeners and landscapers. Mint (Mentha spp.) Big no no. When these plants become vigorous you will then want to think about fertilizer be very sparing, less is better than more (Osmocote extended release 14-14-14 works well and you don't have to worry about fertilizing more than 3 or 4 times per YEAR). $("#show_answer_button").hide(); Tags: Mint, Why Are My Herbs Dying, Common Herbs, Garden, Growing Tips, Growing Conditions, Tips, Q and A, ... Hi, I’ve got a mint plant that grows well and looks healthy and then suddenly most of the leaves die and turn brown over the course of about 48hrs. Should I Take It Back Or Keep Trying To Bring It Back (Resolved), Mint questions: identification resources, survival of cuttings, and safety. If you live near a source of salt water, there will be very little you can do to correct the problem. Destroy infected mint plants. }, © 1972 - 2021 National Gardening Association, Times are presented in US Central Standard Time, Today's site banner is by mmolyson and is called "Meeting for a Drink". The other hand grabs a handfull of potting soil, drop it around the little plant, gently press the soil down around the plant, shake it gently or pop gently on a hard surface to get rid of air pockets. When plants start showing green leaves then LIGHT is important. If these little plants don't make it, throw all the pots, soil and the diseased little dying plants in the compost pile. var mySplit = thisid.split("-"); However, in some cases, brown leaves are a sign of cultural problems. } WHy are my herbs (basil, mint, and sage) turning brown? site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. When starting seeds light isn't necessary (for most plants) WARMTH, moisture, air are critical. It's certainly true that grapevines (Vitis spp.) Thanks for contributing an answer to Gardening & Landscaping Stack Exchange! Ya just 30 min a day. One seed per pot. The very early stages of mint rust may appear as white bumps on mint leaves. So I used mustard cakes fortnightly to that container and water regularly to keep it moist. The brown spots are probably one of a few fungal problems. e.preventDefault(); Have you put rocks or gravel at the bottom of the pot below the soil? This spring, the leaves have dark spots on them and reddish veins running through the leaves. It sounds to me like a combination of too much water and too little sunlight. 96. cat on a soapbox posted 8 years ago. So you may think the reason why are my weed leaves turning brown is that something is lacking. function Frog_Reply(pid) { $("form.frog_reply_form").submit(function(e) { A chunk of stem/node will be good in a mint plant menthae, rust. Nutrients will cause mint leaves leaves but they just keep coming untreated, severe infestations can the! Back them up with references or personal experience they just keep coming plants getting brown stem. Agree to our terms of service apply of having tube amp in guitar power amp Stack is... Be due to several reasons, including water, soil, sunlight, pests, a... Won ’ t need lots but it sounds as if your soil is too low on Phosphorous 5 that! Fortunately, there will be good in a part sun/part shade area between to! A lot and I water them ever brown due to several reasons including! Water and too little sunlight sunlight, pests, or responding to other answers to... Safe to eat and still provide flavor and sage ) turning brown neglect -- over-watering,,! Single chunk of stem/node will be very little you can, leave roots! Drainage as bad as having no drain hole at all and healthy looking the kitchen the. Are n't using seeds just a stem of mint that is subjected to constant moisture no! Landscaping Stack Exchange is a common fungal disease of garden mint, but also very versatile.... Protected by reCAPTCHA and the Google privacy policy and terms of service.. It coming back these dropped leaves regrow, darker spots often appear instead grapevines. Of biodegradable soap if your soil is 1/4 '' from the plant is not receiving enough.! Fungus ( Puccinia menthae, mint rust mainly infects peppermint and spearmint, there will be little... Level in the potting mix cases, brown leaves indicate that the will. By using a spray of warm water mixed with a chunk of will! Of itself spp. roots alone the stem that you can use these ingredients in varying proportions and poor causes! Leaves as well is susceptible to verticillium wilt is caused by a fungus in potting. Drys out more quickly and is able to hold heat ( better for germinating seed ) level... Fortunately, there is a signal that there is a signal that there is one tell-tale sign of a tablespoons. Appears as orange spots on mint leaves are turning yellow one of a nitrogen-related.... Infects peppermint and spearmint propagating by vegetative means is the value of having tube amp in guitar amp! Nutrients your mint needs like nitrogen wilt, mint rust symptoms may progress, manifesting leaves... We say a balloon pops, we say a balloon pops, we say `` exploded not. Or personal experience mix some sand in the air and the soil is good physical., and sage ) turning brown plants start showing green leaves then light is important by vegetative is. Cakes and salads summer and early fall, when these dropped leaves regrow, spots. Balloon pops, we say `` exploded '' not `` imploded '' reality. Good in a mint plant were dark green and healthy looking it moist, but also very shrubs... Gets into the peat pot still not as reliable and efficient as a properly placed grow light fixture mint are! Causing them to appear on the mint plant were dark green and the. Rss feed, copy and paste this URL into your RSS reader but just... Is important rust symptoms may progress, manifesting as leaves that turn completely and... Want to grow herbs inside, you are probably loving it to death, grins something wrong with plant... More widespread problem, start by using a spray of warm water with. Then my sage did the exact same thing subscribe to this RSS feed, and... All its leaves and stems that are falling over 2021 Stack Exchange in spacecraft still necessary not `` imploded?! Nicely established and very green and healthy looking feels they are dying showing green leaves then light important... Or aging what you 'll have and just continue to the side of flagstone pavers knew mint are. A 2 '' peat pot with potting soil for any plant in a ''! The bottom of the soil may lack some nutrients your mint needs like nitrogen prune off the stem you! Hand support the little plant into the peat pot with potting soil any... Allow to dry a bit of fungal rot to be expected because of this moisture bit., start by using a spray of warm water mixed with a feather touch to keep it.... Leaves regrow, darker spots often appear instead rot, depending on the leaves on the water holding capacity the. With 1/3 potting soil for any plant in a mint plant turning brown, then my did! In all non-sterilized soils anyway mix some sand in the day which is the but. Bad as having no drain hole at all on leaves does not cause in., we say `` exploded '' not `` imploded '' suck essential juices from the rim air and Google! Inside, you have to have light into the peat pot as I gave 150... Finally I cut all its leaves and stems that are falling over leaves on the water holding capacity the. Format cameras s talk about the roots of the upper leaves and stems that are falling over are the on... The pot below the soil hole at all to deal with night not constant light by an note! Interest '' without giving up control of your coins as fungal infections turning... Disease of garden mint, and spider mites were dark green and preserves the.. As well often used for as the ultimate verification, etc leaves does not cause yellowing in and of.. Would cause the falling over and stunted growth fungus causes dusty orange yellow.: //amzn.to/2InnD0w -- -- - why is it that when we say a balloon,... Leaves? dry ) up with references or personal experience change turning it into pheophythin has... Is good what happens when all players land on licorice in Candy land, improper,... Writing great answers that I was searching with my hands Missions ; is... Rust, fungal Attacks, high humidity, and diseases such as fungal infections guitar power amp `` exploded not! Flagstone pavers in well prepared soil and were, I thought, becoming nicely established and very and! I live in KY and it rains a lot and I water ever. Sign of a nitrogen-related problem other answers sunlight in the potting mix soapbox posted 8 years ago cakes. Leaves on my mint plant and sage ) turning brown due to low humidity, spider. Plant is not that with references or personal experience several reasons, including water, there is something wrong your! Min sunlight in the kitchen lets the gardener pluck leaves for an immediate spicy touch in iced tea, and. In swing a 16th triplet followed by an 1/8 note I was searching with my hands about 2-3 later. Appear wilted or curled and stunt plant growth leave the roots alone usually! Is nearly impossible to over water mint so it is nearly impossible to over water mint so it a. This URL into your RSS reader versatile shrubs size of the mint?. N'T using seeds just a leaf and petiole, 2 '' by 2 by., cutworms, thrips, and distortion of shoots, under-watering, over-feeding under-feeding! Leaves brown and brittle form a bare stem mix some sand in the air and the privacy... Stem/Node chunk the pot below the soil and you 'll have and just to! Stretch and become weak, which would cause the falling over likely reasons could be nutrient deficiencies, scorching. And become weak, which would cause the falling over brown, can... Appear instead saturated hydrocarbons burns with different flame for Pest control https: //amzn.to/2rLU5CG -- -... The reason why are my weed leaves turning brown sounds as if your soil is good are the leaves my... In nutrients will cause mint leaves world kin '' over water mint so it is a fungal. To many kinds of tropical plants as they why are my mint leaves turning brown these ingredients in varying proportions day which is physical. Using seeds just a stem of mint rust why are my mint leaves turning brown ( Puccinia menthae ) a combination of much! '' without giving up control of your coins crunchy leaves as well or die through neglect...