Allen's Flowers & Plants 5609 Lake Murray Blvd, La Mesa, CA91942 Allen's Flowers & Plants La Mesa location is at the corner of Lake Murray Boulevard and Baltimore. This family-owned…More business has offered custom floral arrangements and plants for all occasions since 1982. Customers can order by phone, on the Web and in person at this colorful, fragrant shop. Greeting cards, vases and stuffed animals also are sold. In the county, it delivers from the Mexican border to Oceanside.