You could only have a tidal floodplain; a river floodplain can never cover more than a small minority of the continent.
The area of Eurasia, combined, is roughly 55 million km^2. Whereas the largest single floodplain on Earth, the Pantanal, is only around 200,000 km^2. So it would take over 200 rivers the size of the Amazon (each) to flood the whole ...
High tide is flood phase for your continent. Low tide is dry land. On Earth, tides are caused by the moon. You want tides once a year and I could imagine this might work if your world were a Ganymede-like moon of a gas giant. The giant causes tides on your moon which rotates slowly. The year is caused by progress of ...
Lots will grow in that climate
Converting from "Freedom Units" to SI: You have average temperature min/max of 17 degrees Celsius in winter, 25 degrees Celsius in summer. That sounds familiar. It's the next city over from me:
After some googling, if we plot your average along the graph, it's about the middle of the average daytime max and average ...
Basically Anything That Grows in Scotland
Scotland already has similar temperatures and latitude to your desired location in the summer, as well as a long documented agricultural industry. It's even high enough that on the rare occasion you can see the northern lights.
What does Scotland currently grow?
In June 2013, of crops grown in Scotland (excluding ...
Places with similar climate include Scandanavia, Iceland, Punta Arenas, and others that can be found here.
These places mostly produce:
grains such as wheat, barley, rye, and oat
oil plants such as rapeseed
Very often, cfc towns are in coastal regions and rely heavily on fishing as a source of income and food. They are also known to ...
Buckwheat (gives you flour), some types of apples, plums, pears and grapes. Some leaf crops - collards, spinach and kale. Also certain types of berries and nuts plus fungi. For these and other crops there are cold climate gardening websites with all the details you need.
Potatoes, among other things
If the occasional freeze happens root veggies are your best bet (think potatoes, sweet potatoes, and beets), as well as legumes that usually grow in the soil, which should insulate them.
Russia is famous for its potato-based diet.
In places where controlled burns are a regular occurrence, this encourages the growth of fire-tolerant plants. Indeed, some species become fire-dependant, and cannot reproduce without fire.
In such a place, a massive burn to flush out or kill a dragon would still be a disaster to the people living there, as it would also kill people and destroy crops and ...
Burning an entire section of forest might not be terrible in the long-term, but for the people living there in the short-term, it would be a nightmare.
If they gather food in the woods, or hunt there, then burning everything down takes away at least part of their food supply. If they use wood as a building material, burning all of the wood in a several-mile-...
The fire, being draconic, is far hotter than your usual controlled burn, or even ordinary forest fires. It burns up all the organic material. There is little ash left and basically you have scorched rock.
It is not only a disaster when it happens but leaves the land ruined for generations.
Controlled burns are not massive fires.
Several commenters have already mentioned this, but I thought it was worth fleshing out in an answer.
Controlled burns typically cover a few hectars to a couple thousand hectares. A thousand hectares is about 10 sq km (4 sq miles). A dragon's territory is likely to be 40-1000 sq km. The minimum size would overlap with ...
Conditions and technology don't allow for controlled burning.
As noted in Ash's answer, controlled burns (aka "hazard reduction") are low-intensity operations that may not be enough to flush out a dragon. But also, even with 21st-century technology and fire science, controlled burns often aren't an option.
Contra some of the post-mortem discussion ...
Forest are an important piece in the water lifecycle, as their ground absorbs water and their trees produce water also. Removing an massive forest could lead to unstable climate, inducing dries and floods all over the world.
Two words: nuclear autumn
A 2019 study examined the effects of a limited nuclear conflict on world climate with updated modeling, and concluded that a relatively modest nuclear exchange would yield enough aerosols to cause a decrease in global temperatures for years afterward. That in turn would lead to decreased agricultural output, and consequently ...
The forest is not random wildness. The people who live there have made the forest what it is.
Amazon forest 'shaped by pre-Columbian indigenous peoples'
Your forest dwellers do not cut trees and plant corn where trees used to be. They live in the forest. The forest provides what they need. This is not by accident. The forest is not a random wild growth. ...
Today I happened on an article about metal smelting in trees: https://www.nytimes.com/2020/02/26/science/metal-plants-farm.html
This seems incredibly cool to me and might assist your answer. The ground might be easily polluted by nickel in that area. Much of the trees and vegetation remove it from the soil, storing it in themselves. The ...
By burning the forest, you not only decrease oxygen production, but you kill many animals, if it gets out of control (which still happens today) whole forests would burn down, and if this was in a medieval society, there were no such things as controlled fires.
Edit: Also, a rainforest burning is so hard to put out because the thickness, as shown by the ...
The 445 Australians who died of smoke inhalation from the 2019/2020 bushfire season couldn't be contacted for comment.
Big forest burning is a terrible thing: My state (South Australia) had a higher death toll from bushfires this year than we did from COVID-19.
(Let that sink in: WORSE THAN COVID19!)
I'll direct you to the Australian Institute of Health and ...