If you are using the leaves of an herb plant you should harvest them before the plant flowers to prevent them from becoming bitter. The best flavored leaves are the newest ones at the tips. If you are processing the flowers you should pick them as soon as they are just starting to open and are still tender.
Planting garlic is very similar to planting Spring Flowering bulbs, such as tulips. Timing is probably the most important step to successful garlic growing. You plant in the Fall hoping to get roots to establish but not too early to produce top growth until Spring...
When should I plant my seeds or transplant my seeds outdoors is a common question I hear often. A simple answer is - it will be determined by your first or last frost date.
So what exactly is a frost date?