The H4 HID lamp plays a crucial role in the success transport dog cage of your greenhouse gardening efforts. In incandescent bulbs, electricity is passed through a tungsten filament. Shorter daylight affects the photosynthesis process in plants.Do away with those trips to the greengrocers.. These types of bulbs are cheap and can fit in any socket but the light they give off is insufficient. Just go out to your garden and take what is enough for a tasty meal. When the filament glows, it gives off heat. You can have them all winter long with the help of H4 HID bulbs heating up your winter garden. Without the proper lighting, you cannot have your greens or flowers.When planning your indoor garden, you have to get acquainted with the different lighting systems.How does the H4 HID bulb help your plants?Lamps for indoor gardening mimic the light and heat radiated by sunlight. What's more, you can pick them young and fresh from your garden because you're getting help from H4 HID bulbs. Incandescent bulbs may be useful but these cannot supply adequate spectrum for seedlings.Eat All You CanYou can still enjoy those greens come winter fresh from your garden. Impossible? Not really.In indoor gardens where there is inadequate light, the use of H4 HID lights is the best option. You can serve up Kale, Swiss Chard, beet greens, bib lettuce, spinach, and everything nice for your health.Planning a Winter GardenDuring winter, indoor gardeners have to use artificial light to extend the length of daylight. On top of the vitamins and minerals from the greens, you get a lot of exercise from digging in the garden and preparing the garden beds.Here is the difference between the incandescent bulb and H4 HID. Should this process fail, plants will not survive. These lamps will perform throughout the year with no fuss.H4 HID lamps are not just for winter gardening. You can use this too if you are into commercial gardening of select blooms and other plant varieties.