How To Grow Celosia From Seed In 2 Easy Steps

You can learn how to grow celosia from seed in two easy steps. You can feel confident in starting these gorgeous annuals because they are relatively easy to grow even from seeds. Remember that gardeners do not often entertain the idea of starting plants from seeds because it’s a tad meticulous compared to other propagation methods. 

While it’s true that celosia won’t give you a hard time when you start it from seeds, you can also consider growing in the greenhouse. The greenhouse is an excellent environment for starting plants, especially from seeds, because you can control the internal conditions. The stable and controlled factors indoors will guarantee germination and establishment.  


How To Grow Celosia From Seed In 2 Easy Steps

How To Grow Celosia From Seed For Beginners


Step #1. Sowing

The only propagation method for celosias is from seed. You might be intimidated by how fine these seeds are, but you shouldn’t face any problem in germinating them. When should you sow celosia seeds?


Indoor or outdoor planting

You have the option to sow celosia directly on the ground outdoors as long as the last frost has passed. However, it’s more advantageous to grow them in the greenhouse six weeks before the average last frost day. Gardeners opt for starting indoors because the plant will be larger and have better flower spikes. 


Germination requirements

The main reason why timing is vital for sowing celosia seeds is that the soil must be warm enough to encourage germination. Therefore, you can only sow directly in the garden during spring. Otherwise, you can sow early in the season using the greenhouse. 

Besides warm soil, another germination requirement of celosia seeds is moisture. You must cover the seeds lightly with fine soil after sowing them at the surface, and then keep the soil moist. Gardeners often use peat pots with a moist seed-starting mix, so you don’t have to transplant since peat pots decompose.

The greenhouse will also provide the ideal conditions for germination. For example, you can place them somewhere that will receive light but not direct sunlight. Place the pots at 70 to 80°F, and this should also encourage sprouting within 10 to 15 days.  


Step #2. Maintenance


Seedling care

As mentioned earlier, moisture is essential to encourage the development of celosia seeds. However, you must also take into consideration the conditions that will promote the healthy growth of seedlings. For example, indoor temperatures between 63 to 68°F is optimal for celosia seedlings to develop. 

You can also use grow lights starting at a distance of 6 inches above them at around 12 hours a day. Compared to direct sunlight, the control of lights in the greenhouse does not put the seedlings at risk for burning. Over time, you can thin the seedlings so that there is only one per pot using small pruners, and pinch the center stem’s tip once the plant is 8 inches tall. 



Thinning the seedlings and pinching the center stem will help anticipate the plants’ growth and encourage branching. You will also be close to transplanting the celosia plants once you notice true leaves. However, it’s worth emphasizing the importance of hardening the celosias first for at least ten days before transplanting them outdoors. 

Gradually expose the plants outside to the sunlight for a few hours to prevent the risk of transplant shock. Once the temperatures at night are around 55°F, you can move the plants outdoors permanently. You can plant the peat pots directly, but make sure that there is no exposed top portion that will wick the moisture away. 


Growing celosia outdoors

Being a tender annual, you can expect that celosias will thrive in full sun. You can also amend the ground to improve its water retention and drainage and improve its fertility. Make sure to check the celosia variety; you have to anticipate the space they require as well. 

The maintenance practices for celosia plants is simple. Much like with other plants, you want to keep them hydrated. You can also fertilize once a month to keep them healthy and blooming well in summer or fall. 

Speaking of which, don’t forget to pinch your plants’ first plumes to encourage growth later on. As time goes on, be on the lookout for pests such as aphids and immediately address them with organic insecticides. You must also ensure that you’re not overwatering to prevent fungal diseases. 



Propagation can be intimidating, but plants like celosia will save you from any stress doing so. You can learn how to grow celosia from seed by studying two main points: sowing and maintenance. Celosia is one of those annuals that only grow from seeds but is still generally easy to germinate and develop. 

One can choose to grow celosia in the greenhouse or the garden, but the former is more advantageous. You can provide the ideal light and temperature conditions in addition to moisture to encourage germination. Afterward, use grow lights and adjust the greenhouse again to help develop the seedlings for transplanting. 

Choose a location with fertile and well-draining soil, and your celosia plants should thrive well. The other care practices for these plants are only watering and fertilizing. For problems, the pests and diseases of celosias are generally easy to manage and avoid. 


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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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