Garlic is a pungently odoriferous member of the allium family (like onions and leeks). Garlic is generally used as a spice or a seasoning rather than as a vegetable due to its extremely strong flavour. Garlic grows in large papery heads. A novice mistake is to massively overgarlic things by following instructions incorrectly. Remember that the large bulb of garlic you buy is NOT one 'clove'. The whole garlic is called a 'head' or 'knob'.
Bumblebees do not damage brickwork or wood. Some of the bumblebees which make smaller nests, Bombus pratorum and B. hortorum do sometimes chose strange places to nest. Their nests are small and in the case of B. pratorum are usually very short lived.
Carpenter bees (genus Xylocopa) are solitary bees that burrow into wood. If you see a bee that looks like a bumblebee emerging from a hole in your porch, it's a carpenter bee, not a bumblebee. You can differentiate the two by examining the dorsal (upper) side of the abdomen.arpenter bees (genus Xylocopa) are solitary bees that burrow into wood. If you see a bee that looks like a bumblebee emerging from a hole in your porch, it's a carpenter bee, not a bumblebee. You can differentiate the two by examining the dorsal (upper) side of the abdomen.