How To Plant Canna Seeds. Best 4-Step Guide

If you’re curious about how to plant canna seeds, you can tackle four steps for success. While not all gardeners like to propagate from seeds, canna plants will not give you a headache to grow this way. However, you’ll be giving yourself a headstart by starting canna seeds in the greenhouse to guarantee germination. 

You can adjust the conditions in the greenhouse to guarantee the sprouting and establishment of canna plants. Check the specific needs and requirements of the cultivar that you have and adapt the greenhouse accordingly. Once established, you shouldn’t have any problem with this unique-looking perennial. 


How To Plant Canna Seeds. Best 4-Step Guide

Comprehensive Guide On How To Plant Canna Seeds


Step #1. Prepare the seeds

Before anything else, you want to prepare canna seeds before sowing them to guarantee germination. This means that you want to cut an opening on the seed coat. Remember that some seeds require preparation to germinate, such as creating a small opening on the outer covering

You can use a scalpel and scratch the outer covering. Creating an opening will make it easier for moisture to reach the seed inside and encourage sprouting. Afterward, you must place the cut canna seeds in a bowl with water. 

You can start by placing the seeds in the bowl, and then pour the water at around two inches. Keep the canna seeds in this bowl of water for at least five days. However, make sure that you change the water every day to keep it clean. 


Step #2. Prepare the containers

Besides the seeds themselves, you also want to prepare the containers for sowing the seeds. A small well-draining planting pot for every two seeds should be enough, and you can transplant the plants comfortably later. What medium works best for canna seeds?

You can use a growing mix, but some gardeners also use vermiculite for growing canna seeds. You want the medium to provide aeration and again, drain well. You can check out starting mixes in your nursery as well. 


Step #3. Sowing and germination

Much like when starting other plant seeds, you’ll benefit from sowing canna seeds in the greenhouse. Remember that germination would be more comfortable in a controlled and stable environment, and it’s easier to achieve indoors. Iowa State University recommends sowing indoors in the middle or at the end of February. 

You don’t need to sow the canna seeds deeply, but setting and pressing them on the medium’s surface should suffice. However, you want to cover them with at least ¼ inch of vermiculite to encourage germination. More so, you can assume that moisture is also necessary for them to develop, so mist the medium as well. 


Step #4. Maintenance

The greenhouse will only be practical if you maintain the conditions indoors. For example, canna seeds will grow well when the temperature is around 65 to 70°F during the day and 60°F at night. Sudden changes and extreme temperatures will affect germination.

More so, moisture is crucial for germination. You want to water the container and let it drain. Afterward, always check the vermiculite and mist if necessary. 

You can also cover the pots with plastic before placing it somewhere warm, and canna seeds should germinate after one to two weeks. Upon sprouting, remove the cover that helps with humidity and place the seedlings under grow lights in the greenhouse. At this point, you are waiting for them to grow large enough for transplanting in individual containers. 

However, remember to harden them for at least ten days before permanently transplanting them outdoors after the danger of frost has passed. 


Transplanting Canna Seedlings

As mentioned previously, it’s important to harden the young canna plants before transplanting them in their permanent location in the garden. Gently get them acclimated to sunlight in a protected site and extend the duration each day. Then, check your calendar for the frost date. 

You can prepare the pots by soaking them over a shallow container for easier removal. This will prevent damages to the roots and easier separation of the plants if there are two per container. Upon planting, you must maintain moisture to help with the establishment, and you can fertilize after a week with a diluted 10-10-10 liquid fertilizer. 


General care

The ideal location for cannas should provide at least four hours of light, and you can also amend the soil for planting. Gardeners often add compost and then fertilize in spring to encourage flower production. Watering will also benefit these plants but adjust according to the climate to prevent overwatering or under-watering.

Over time, you can remove the faded flowers to extend the blooming of your canna plants. Once the plant itself stopped producing flowers over time, you must cut back the stems and foliage if deadheading no longer works. Gardeners also cut back by the end of fall to encourage flowering in the summer. 



If you have canna plants, you can consider starting them from seeds. Learning how to plant canna seeds is relatively straightforward, and you can simplify the process into four steps. Perhaps the main takeaway here is the importance of seed preparation and using a greenhouse to guarantee germination. 

You will need to scratch a small opening on the seed coat and soak the seeds in water first before sowing them indoors. Then, press the seeds on the vermiculite and ensure soil moisture and consistent indoor temperatures. The seeds should sprout in a week, and you can acclimate them for transplanting. 


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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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