When To Transplant Sunflowers

Are you in doubt when to transplant sunflower? The answer is very simple; when a sunflower reaches 4 to 5 inches by height, you can start transplanting it under fair weather.

That’s a great news. Summer is not yet over, so as the season of flowers blooms in your backyard. Flowers are a source of happiness with its aesthetic vibes. It is commonly seasonal and represents the joyous days of our daily lives. One of the flowers that might amaze you is the sunflower.

when to transplant sunflower

However, buying sunflowers in the market is just easy to think than growing it in your small garden. But if you’re hooked into growing sunflowers in your own, transplanting may cause you to wonder.

If you’re looking for more ideas of a sunflower transplant, then let’s dig more below.

Planting Sunflowers

Most of the occasions, flowers are incessantly given as gifts and tribute. Like sunflower, it could be a birthday present, a bouquet of appreciation, or a tribute to beloved ones who passed away.

Sunflower has a scientific name of Helianthus annuusIt belongs to Asteraceae’s plant familyportraying a large, elongated, and hairy stem that grows in an upright direction. Its flower is a large daisy-like structure that commonly appears yellow. It blooms in the summer months and thrives in the annual period.

It is better to start growing sunflowers in your greenhouses, but in fact, it can thrive both indoor and outdoor. You can just begin to plant it indoor in the early seasonal bloom and replant outside with the spring is in full bloom.


Things To Consider When To Transplant Sunflowers

Many of you would think that replanting sunflowers is hard as it sounds. But it is not. Just remember that by replanting sunflowers, gentle care of green thumb is recommended.

Here are the things you should consider when to transplant sunflowers:


Height or length

When sunflowers reach the height of 4 to 5 inches, they are ready to be transplanted in a favorable weather condition. In this stage of sunflowers, they can already manage to stand and survive with proper care and enough sustainment.


Temperature change

In order to start transplanting, the sunflower must harden off. For them to adapt gradually to the temperature change, they must be accustomed to it. During day time, take the sunflowers outside and bring them back inside during the night. You can do that for at least two weeks before you decide to transplant it.


Early Season

Before transplanting outside, you have to wait from 3 to 4 weeks before the last frost. Do not start planting your sunflower late enough for the season to have a higher chance of transplanting survival.



Don’t spend too long waiting for the transplant of your sunflowers. Start it as soon as the signs are noticeable for the sunflowers to be transplanted. As the days pass by, the roots will grow in small containers causing them to stunt and trap inside. It will hinder the sunflower’s growth, or in the worst case, may fail to survive.


Choosing A Suitable Planting Site

The task for planting sunflower is quite tiring, but it’s never too late yet to start a new hobby now if you’re interested in learning. Get when to transplant sunflowers. Let’s see the steps you will need to know in choosing a planting site of your sunflowers.


#1 Direct sunlight

Always consider a sunny area for the location of the plant. The best site for the sunflowers to bloom abundantly is direct to sunlight. These flowers can sustain long hours under a hot temperature but are still capable of producing flowers.


#2 Well-drained surface

The location of the plants should be elevated and can drain the water well after heavy rain. The water storage should not drown the roots of the plants because it may absorb too much. This type of flower is drought tolerant, enabling them to grow with less water. They must be watered regularly to bloom robustly.


#3 Type of soil

In terms of the soil, sunflowers can manage to grow on any kind of soil surface. They sometimes prefer a slightly acidic type of soil. But in its depth, it should be feet in measure and across three feet. They like to grow in deep excavation because their long roots are stretching out and spreading underneath.


#4 Organic materials

If humans need healthy foods to serve as nutrients, plants also do. This plant is a heavy feeder and absorbs too much of the soil. In this matter, its surface must be mixed with fertilizers or good compost materials. Surely, you’ll be able to see your growing plants in a stable and healthy state.


#5 Wind proof

Sunflowers can’t handle too much wind and a strong breeze. It’s better to build some fence or near high and strong façade that may protect or shield them from heavy winds.


#6 Aesthetic outlook

Look for a spot that can be gaze with your eyes or every passerby. A daily dose of sunflower sometimes gives positivity and energy. It’s better to radiate that vibe with your fellow.


Caring Of Sunflowers

If you want to know when to transplant sunflowers, it’s also best to know how to take care of them. Let’s follow the steps bellow:


#1 Enough amount of water

In the plant’s early stage, water it regularly from 3 to 4 inches around its root zone. If the plant’s stem becomes firm, water it with several gallons of water every once a week.


#2 Compost/organic fertilizer

Put enough amount of fertilizer or compost. An excessive amount is not good for the growth of the plant.


#3 Support system

When it grows tall, it sometimes needs support to stand firm. Bamboo sticks would do.



Indeed, it’s fun discussing planting and transplanting a sunflower plant. I do hope that you have learned several ideas and tips after you read this. Always remember that a lesson learned is a lesson to be shared. It is never a doubt that you can have a successful transplant of sunflowers.

Hopefully, you’re question about when to transplant sunflowers is answered. Bloom with grace!

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