Spring will soon arrive, if only inside Berkshire Botanical Garden’s Fitzpatrick Conservatory for the start of the annual Bulb Show. The show, which is free and open to the public, runs from Feb. 24 through March 17. The Fitzpatrick Conservatory is open every day from 9 a.m. to 4 p.m. The Bulb Show will feature thousands of bulbs in dozens of varieties, each one identified, including an evolving collection of traditional New England favorites such as narcissus, tulips and grape hyacinths together with hardy varieties new to the show. Admission is free.