hedge
Python There is none because you are asking for a five-letter word and p, h, y, t, o, and n are six letters, not five! Phyto means plant.
oats
Yes, if it is a common name of the flower, then it can sometimes be used with a capital letter. The genus of botanical plant/ flower names always has a capital letter, while the species is in lower case: Eg. Zea mays
A plant that starts with the letter l is, lamium.
herbivore
no
Rutabaga and okra are two that I can think of.
tree
Ephedra is a 7 letter medicinal plant that's used to treat allergies and asthma, but I don't know of a 6 letter plant.
cattails
MIMOSIA
dye-yielding plant ending in il is called anil
You are mad
King cup is not a marsh marigold. King cup is another name for the plant marsh-marigold (Caltha palustris), which is a species of flowering plant in the buttercup family. It is also known by other names such as cowslip and water dragon.
Mallards, mauls, sweetweed, Schloss tea, and mortification root.
only if you drain the water from the marsh
Marsh formation can take thousands of years as it involves the accumulation of plant material in waterlogged areas. Factors such as water level, sediment accumulation, and plant growth rate all contribute to the time it takes for a marsh to form. Generally, a few millimeters of sediment accumulation per year can contribute to the gradual development of a marsh ecosystem.