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Best Time When To Plant Vegetables In Tennessee

Learning when to plant vegetables in Tennessee for success means classifying your crops into warm-season and cool-season planting. With proper planning and using a greenhouse, it’s even possible to have a year-round productive vegetable garden because you won’t get limited to external conditions. Just remember that the volunteer state has hardiness zones of 5b to 8a, which should be your first consideration before starting planting, 

The good news is that the University of Tennessee has several publications that should guide gardeners in the state. This article will discuss below how you can have a productive vegetable garden. However, remember that modifications in some practices are necessary as not all areas in Tennessee would be similar for growing vegetables. 

Best Time When To Plant Vegetables In Tennessee

When To Plant Vegetables In Tennessee And Tips For Success

You can learn when’s the best time for planting vegetables in Tennessee by following the state’s two planting and growing seasons. And these two are from which vegetables are best for the warm-season and cool-season, respectively. Therefore, you can plant vegetables in Tennessee in spring for warm-season vegetables and fall for cool-season vegetables. 


Classify vegetables into warm-season and cool-season crops

Every vegetable has its own temperature requirement, and you can use this to classify which crops are best for planting during warm months and cold months. Simply put, the warm-season vegetables would be at their best and most productive in late spring to summer in Tennessee. On the other hand, cool-season vegetables would withstand spring and fall or temperatures below 32°F in the state.


Warm-season planting

Warm-season vegetables are going to grow well and be productive throughout high temperatures. However, they would quickly get damaged by frost and freezing temperatures. To know when to plant warm-season vegetables safely in Tennessee, the University of Tennessee has provided safe planting dates after spring or fall. 

These dates only have a 10% chance of having low temperatures that can damage warm-season vegetables. Please note that Chattanooga, Clarksville, Jackson, Knoxville, Memphis, and Nashville have their last spring frost in April, while Bristol, Crossville, and Mountain City will have them in May. For the first fall frost, most of these areas will have it in October, but Crossville and Memphis have them in September.

You can also check your hardiness zone to adjust your planting date, depending on the frost dates. 


Cool-season planting

While you’re waiting for the temperatures to go up, you can plant cool-season vegetables in Tennessee during spring, fall, or even winter. This prevents them from experiencing the damaging heat later on, and you can reseed them in late summer to have another crop in fall. Depending on the produce you’re using, you can either sow or transplant early to mid-spring for harvest in late spring or early summer as well. 

However, don’t be confused that some crops have transplants or seeds to start in summer to harvest in fall. For example, you can transplant broccoli in early to mid-spring in Tennessee, but it’s also possible to do summer planting for fall harvest. If you want to feel more confident, you can always use a greenhouse to maintain your vegetables’ ideal growing conditions. 

Overall, remember that the dates provided by your hardiness zone and those recommended by publications of university extensions should serve as your guide in creating a planting schedule in Tennessee. But at the end of the day, one can’t predict the conditions perfectly, so a situation in one state can still vary. 


Planting warm-season vegetables in spring

You can plant warm-season vegetables from the first week of April until the end of July in Tennessee. The conditions in these dates should provide the best air and soil temperatures to help the crops germinate and develop without drawbacks. These vegetables include beans, cucumbers, tomatoes, okra, eggplant, and sweet peppers.


Planting cool-season vegetables in spring

As mentioned earlier, you can also start your cool-season vegetables in spring. Early in February, until the end of March, can still be supportive of cold season crops. You have an extensive list of vegetables to choose from, including cruciferous vegetables, greens, onions, peas, potatoes, turnips, rhubarbs, and radishes. 


Planting cool-season vegetables in fall

Gardeners plant cool-season vegetables between summer and fall to make harvesting in fall and winter possible. This period can be from July to September, where the temperatures help with the crops’ development. However, remember that these vegetables are not tolerant of drought, unlike warm-season crops. 

In Tennessee, these vegetables suitable for fall planting include leafy greens, potatoes, broccoli, cauliflower, cucumbers, and radishes, to name a few. 



The volunteer state provides excellent conditions for an extensive list of crops. And best of all, knowing when to plant vegetables in Tennessee is as simple as classifying your vegetables for cool-season and warm-season planting. The state has two plantings and growing season, so all-year productivity is possible. 

You can also consider using a greenhouse to prevent potential damages on either type of crops if you feel like the weather and temperatures are too unpredictable. Nonetheless, the University of Tennessee has different publications that discuss dates, and you can also use your growing zone to know when it is safe to start planting. In general, you can begin warm-season vegetables in spring, and cool-season vegetables are suitable for fall or even spring. 


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How To Prevent Root Rot In Hydroponics: 3 Useful Tips

If you’re a newbie gardener who’s looking to find ways to hone your skills, you’d want to learn how to prevent root rot in hydroponics even before this problem affects your plants.

Hydroponics can be advantageous to crops in more ways than one. However, it also comes with risks of diseases, such as root rot, which can be destructive or even lethal to your plants.

Unfortunately, there are no effective methods to recover the wilted parts that were affected by the root rot once it hits your plants. The only thing you can do if you do not want this catastrophe to befall your crops is to prevent it before it happens. Read on to learn more about this subject.


What is Root Rot?

Root rot is a disease that attacks the plant roots and causes them to suffer decay. This usually happens when a lack of oxygen supply occurs in the substrate.

To give you an idea, think about plant roots that are submerged in water that only has a little oxygen in it. Over time, the plant suffocates and dies.

Aside from rot and decay, this disease also leads to the proliferation of fungi that are naturally present in the soil. These include Rhizoctonia, Alternaria, Pythium, Botrytis, Fusarium, or Phytophthora. As soon as fungi colonies start to grow, they tend to target the weakened roots and infect your precious plant babies.

Once the plant becomes infected, they won’t be able to take in what they need to grow – water, oxygen, and other nutrients. When this happens, it won’t be long before the plant dies.


What is Hydroponics?

In case you’re not aware, the term hydroponic is derived from a Latin word that means “working water”. To put it simply, hydroponics is an art that involves growing various types of plants without soil. If you’re like most people, the first thing that comes to mind when somebody talks about hydroponics would be a picture of plants with roots suspended into the water without using any type of growing medium.


Avoiding Root Rot in Hydroponic Systems

Detecting and identifying root rot can be tricky. When your plants get infected, their leaves and roots gradually wither until the whole crop itself dies from the lack of nutrients, which is a common symptom of many diseases.


What causes root rot in hydroponics?

One of the requirements in hydroponics systems is oxygen. Without it, your plants are basically on the road to death. On the other hand, lack of such is one of the major triggers for root rot, and it must be avoided at all costs.

Just like when planting in soil, you loosen up the ground so that your plants’ roots can have their required intake of oxygen. That is the case for crops grown in aqueous solutions as well. If they cannot breathe, they would not be able to grow.

Another agent for root rot is the temperature. The last thing you would want in your system are parasites that leech nutrients intended for your plants and infect the water during the process. In common terms, these fungi are called molds.

One of the best breeding grounds for these is warm and moist areas. For this reason, if the water temperature inside your reservoir is high, then you are susceptible to it. Something as minor as letting the solutions exposed to sunlight can already be a risk factor.


3 Useful Tips on How to prevent root rot in hydroponics

There is good news! Root rot in hydroponics can be prevented! Just follow these tips:

Tip#1: Use the right air pump

If you do not want root rot to affect your plants, you merely have to avoid its causes. If you need oxygen, keep the water bubbling by providing an air pump of appropriate size, and also give importance to proper ventilation in the room.


Tip #2: Maintain the temperature

The temperature should be maintained within the 70 to 80 degrees F range. Get rid of any materials that can make your system vulnerable to infections, and make sure not to disturb your crops while they are trying to grow.


Tip #3: Get rid of the rotten parts

However, if you failed in preventing the disease, then the rotten parts should be removed immediately. Cut them off as there is no chance of reviving them, and focus on the potential new growth instead. Fix your hydroponics system and eliminate the risks.


Why Give Greenhouse Gardening a Try?

Greenhouse gardening offers numerous benefits to greens aficionados who dare to take their gardening experience to the next level. Aside from acting as a shield against the effects of inclement weather, a mini, hobby, or semi-pro greenhouse can also serve as a protective layer that keeps harmful bugs and critters at bay.

What’s more, its enclosed structure allows you to control your plants’ growing conditions including the temperature, light, moisture, and ventilation of the greenhouse’s internal environment. With a controlled environment, you’ll be able to extend growing seasons and grow plants that aren’t native to your area.



No matter how well-informed you are about how to prevent root rot in hydroponics, you cannot completely eradicate the risks. Therefore, to avoid the worst-case scenario, you should be prepared to sacrifice the infected for the sake of others. While you’re at it, consider trying your hand at greenhouse gardening as well.


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