&middotDrought damage - needles gradually turn yellowish-green and then light brown. This starts at the top of the tree and progresses downward and from the outside in. &middotAnimal injury - dog urine can cause some browning and dropping of lower branches on arborvitae and junipers.
There are many different brands of cat flea collars. Generally, flea collars work by either emitting a toxic gas to the local area (head/neck of the pet) or by exuding chemicals that are absorbed into the animal's skin. Some flea collars have an Insect Growth Regulator (IGR), to prevent development of cat fleas, eggs and larvae.
You can also get 'Program' from your vet to put on your dog and cat. It's a small capsule and goes by the weight of your pet. Just snip of the end of the capsule (has a small point on it) and with your thumb (between the pets shoulder blades) put the contents onto the skin. You don't need to rub it in.hese are flea bites. Fleas love to hide in the corners of rooms, so when you vacuum (should do this every single day) use the proper wand and go to every single corner of the room, under the cushions of your sofas too. I will generally put a flea collar in the vacuum bag.