only if you dont water them
yes
Sunflowers with multiple heads have a branching growth pattern, while those with a single head have a single stem. Multiple-headed sunflowers can produce more seeds and have higher reproductive capabilities compared to single-headed sunflowers.
false
Yes, sunflowers can reseed themselves by dropping seeds from their flower heads, which can then grow into new sunflower plants in the following season.
Yes, sunflowers can self-seed on their own by dropping seeds from their flower heads, which can then grow into new plants without human intervention.
Yes, if you 'dead-head' or cut off the heads of sunflowers, the plant will usually continue to produce more flowers. This varies somewhat with the variety of sunflower and the bushy type will produce the most flowers when flower heads are removed.
No. Not many things but so far the only thing that has been funky in all of the years were sunflowers. They twist and spin!
Depending on where you live, it is quite possible they will still produce heads and bloom. Sunflowers can bloom at different times, with mid to late August being most common, but early to mid September still being quite possible if they were planted late and the weather stays nice.
Domestic sunflowers are annuals. The plant will die off completely at the end of each year. If the seeds are left on the head to fall off and scatter, it is possible that new sunflowers will grow there the following year. Some species of wild sunflowers, as well as Jerusalem artichokes, have a tap root that will allow the plant to grow back the following year.
Sunflowers track the brightness of the sun so around noon they raise their heads. They also, According to the old Farmers Almanac, raise their heads when it is going to rain. No indication is given as to weather this is due to increased humidity, or simply assuming a more upright position when the sky is overcast with no obvious source of light.
Sunflowers don't usually require any artificial support; their stems should be strong enough by themselves. If it is unusually windy in your area or the heads are very large, you can reinforce the sunflower with a long pole or stake and some ribbon.
Yes, asters are relatives of sunflowers as both belong to the Asteraceae family, commonly known as the daisy family. This family includes a wide variety of flowering plants, characterized by their composite flower heads. Asters and sunflowers share similar floral structures and growth habits, making them part of the same botanical family.