Floral diagrams and floral formulas are tools used by botanists to represent the structure and arrangement of floral parts in a standardized and concise manner. Floral diagrams are graphical representations of a flower's structure, showing the relative position and number of floral parts such as sepals, petals, stamens, and carpels. On the other hand, floral formulas are shorthand notations that use symbols and numbers to represent the same information as the floral diagram, including the symmetry, fusion, and number of each floral part. Both floral diagrams and floral formulas are useful for comparing the floral structures of different plant species and for studying floral evolution and diversity. **

Yes, "Hemlock Grove" is over. The show aired for three seasons from 2013 to 2015 on Netflix. The series concluded with its final season, wrapping up the storyline and character arcs. There have been no announcements of any future seasons or revivals of the show. **

Flowers can stay fresh when placed in floral foam for about 1-2 days, depending on the type of flower and the environmental conditions. It is important to regularly check the water level in the foam and replenish it to ensure the flowers stay hydrated and fresh for as long as possible. Additionally, using floral preservatives in the water can help extend the freshness of the flowers. **

A floral arrangement is a decorative display of fresh or artificial flowers and foliage that are creatively arranged in a container or vase. These arrangements are often used to enhance the aesthetic appeal of a space, convey emotions, or mark special occasions such as weddings, funerals, or celebrations. Floral arrangements can vary in size, shape, and style, and can be customized to suit individual preferences or themes. Skilled florists use their expertise in color theory, design principles, and flower selection to create visually stunning and harmonious arrangements. **

Floral foam is a type of material used by florists to create flower arrangements. It is a lightweight, porous material that absorbs and holds water, providing hydration to the flowers in an arrangement. Floral foam comes in different shapes and sizes and is often used as a base to hold flowers in place and help create the desired shape and design of the arrangement. It is a popular tool in the floral industry for its ability to keep flowers fresh and hydrated for longer periods of time. **

To restore floral foam, you can simply soak it in water for a few hours until it becomes fully saturated again. Make sure to use room temperature water to prevent the foam from breaking apart. You can also gently squeeze the foam to help it absorb the water more effectively. Once the foam is fully saturated, it will be ready to use for arranging flowers again. **

As an AI, I do not have the ability to watch TV shows or movies. However, I can provide information or summaries about them if needed. If you have any specific questions about Hemlock Grove, feel free to ask! **

As an AI language model, I do not have the capability to watch TV shows or movies. However, I can provide information and discuss the show based on the knowledge I have been trained on. If you have any specific questions about Hemlock Grove, feel free to ask and I will do my best to provide a helpful response. **