How To Grow Verbena From Seed In 3 Easy Steps

You can familiarize yourself with how to grow verbena from seed using three steps. In general, verbena or vervain is easy to propagate, but some gardeners prefer to sow them from seeds instead of cuttings. You can take advantage of a greenhouse in starting verbena from seeds because the controlled environment will ensure germination and development. 

More so, knowing how to grow verbena from seed should help you feel more confident that you can sprout them yourself. Once the verbena plants have grown and established themselves, you can benefit from their heat tolerance and long-blooming duration. Indeed, verbena is one of those plants you can have in your garden worthy of starting from seeds. 


How To Grow Verbena From Seed In 3 Easy Steps

Comprehensive Guide On How To Grow Verbena From Seed


Step #1. Planning

Much like with other plants that you start from seeds, planning and preparation are crucial since seeds require additional methods, unlike cuttings and divisions. For example, when is the best time you should sow verbena seeds in your region? If your area experiences extreme hotness and coldness, you should opt to start seeds indoors to protect the seedlings. 

More so, you have to strategize the planting calendar if you want to get flowers before the growing season ends. Remember that verbena starts flowering late in spring to early summer. It would also be best to grow verbena as annuals because the summer’s heat can encourage spider mites. 

Thinking ahead of time will prevent problems with the weather and pests to ensure germination in your growing zone. 


Step #2. Planting

As mentioned earlier, sowing verbena is better indoors to avoid problematic weather. Check your hardiness zone because you want to start verbena seeds in the greenhouse 12 weeks before you intend to plant them outdoors. This way, you can avoid the danger of frost by using your calendar dictated by USDA zones. 

In an ideal environment, verbena seeds should germinate as early as 20 days; however, it can also take them up to a whole month. Some seeds may also require cold stratification where you put them in a bag and into the refrigerator to break them out of dormancy. Be sure to study the methods of stratification in great detail. 

For the sowing itself, a well-draining potting mix should work well for verbena seeds. The medium should be moist, and you can sow seeds per compartment of a flat for easier thinning later on. You must also cover the container with black plastic as verbena seeds require darkness to germinate. 


Step #3. Maintenance

The seeds will germinate well under 65 to 70°F and regular misting once a day to ensure they are consistently moist. The whole germination period can take a month or three weeks, so you must maintain these practices. Do not forget to check the seeds and that they are not disturbed by other conditions. 

Once the seeds sprout, remove the covering of the containers. You can thin the young plants to 12 inches once they develop their first set of true leaves. At this point, you can also have one verbena plant per compartment. 


Transplanting Verbena

The plants that you start indoors will require hardening before you can permanently transplant them outdoors. It would be best if you gently acclimate them to the challenges out for at least a week, and these include sunlight and wind. After the plants harden, you can transplant them when the soil is workable, and the temperature itself is warm. 


Care for verbena

Choose an area that receives full sun and allocate 12 inches of space in between them. Maintain soil moisture and feed them with a water-soluble fertilizer. Some gardeners note the difference of blooms when you regularly feed verbena, and you can feed them up to four times per season. 

To promote growth and blooming, pinch verbena plants back after a month and add deadheading to your maintenance tasks to help them flower more. Pinching promotes a fuller and bushier look, while removing faded flowers will help the plants create more blooms. Lastly, you shouldn’t worry about diseases and problems because they are easy to avoid with diligent monitoring and prevention

For example, some common problems are powdery mildew and rot. These conditions are easy to prevent if you monitor the environment using a greenhouse and maintain practices diligently. Verbena can also encounter mites and aphids, but noticing these pests earlier makes them easy to eradicate without turning into a problematic infestation. 



Verbena is one of the most beautiful flowers that you can grow in the garden. If you don’t have a source for cuttings yet, you can quickly learn how to grow verbena from seed. Plan the best time to sow your seeds so that you can have flowers in time for the season but still be safe enough from frost. 

Once you’ve marked your calendar, you can use the greenhouse to guarantee quick germination by providing the ideal conditions such as temperature and protection from climate changes. You may need to do cold stratification first, but once done, putting the seeds in a moist medium and covering them should get them sprouting in no time. Don’t forget to cover the container and keep the plants moist as well. 

After hardening the plants, you can transplant them outdoors once the temperature gets warmer and the soil becomes workable. At this point, you can apply the usual feeding and watering routine without overdoing it. You can also pinch verbena plants to promote bushy growth and deadhead them to encourage more flowers. 


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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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