Our area can reach 100 degrees in July. Will Stock be done at those temperatures, or will it reflower in the fall, if deadheaded?
Mostly, stock is considered an annual, so after it flowers in the spring, that's it. Some people report that it acts like a biennial, or even a perennial. I suspect partly this is because of climate variation, and partly because of cultivar varieties. This article may give you some more information: https://www.gardeningknowhow.com/ornamental/flowers/stock/growing-stock-flowers.htm
I have a stock plant and the leaves have brown edges on them. Is that too much water?
This article has several possible reasons for browning on leaf edges: https://www.gardeningknowhow.com/plant-problems/environmental/what-causes-brown-edges-on-leaves-of-plant.htm
Also, FYI, here's some more info on stock: https://www.gardeningknowhow.com/ornamental/flowers/stock/growing-stock-flowers.htm
Never having planted them before I really need to know.
I would recommend spacing seedlings or plants 10 to 15 inches apart.
For more information on growing stock flowers, please visit the following link:
https://www.gardeningknowhow.com/ornamental/flowers/stock/growing-stock-flowers.htm
I brought my stock flowers inside to enjoy the scent and colors. Those long seed stalks, can I open them up and plant them? Do I deadhead them with the flowers to get more blooms? It's November and I want to see how long the plant will produce.
You should dead head the spent flowers to keep the plants healthy.
The seed pods should only be harvested after they have dried and turned dark tan or brown.
Green seeds will not germinate.
https://www.gardeningknowhow.com/ornamental/flowers/stock/growing-stock-flowers.htm
I planted some beautiful stock a couple weeks ago, and now blooms are gone and there are just tall green spines. Will they rebloom or should I pull them? Thanks.
Your plants should bloom throughout the summer. Deadhead the spent flowers to keep your plants healthy and encourage more flowers.
https://www.gardeningknowhow.com/ornamental/flowers/stock/growing-stock-flowers.htm
How far back do I cut the stock flowers to get the longest stem, but will promote reblooming? How long does the stock flower usually bloom for the season?
Depending on your growing zone, Stock may be an annual, biennial or a perennial.
The flowers can be cut at any length that you want for cut flowers, though you should remove the stem down to the crown of the plant.
Depending on the age of the plants and the environmental conditions you may have more flowering from the plants.
Here is a link with more information.
https://www.gardeningknowhow.com/ornamental/flowers/stock/growing-stock-flowers.htm
Are these flowers dangerous to cats
This is Stock!
https://www.gardeningknowhow.com/ornamental/flowers/stock/growing-stock-flowers.htm