According to the covenants, Folio 00047 - Section 2b:

All lawn maintenance for each Lot (including grass mowing, trimming, fertilization, seeding, etc., but excluding watering) and all maintenance of the gas lampposts located at the front of each Lot (hereinafter referred to as the "Lampposts"), shall be undertaken by the Association and the cost therefore shall be borne by the Association; an easement being granted hereby to the Association to come onto the Lots for such purpose.

"Lawn maintenance" shall not include the planting and maintenance of trees, bushes, shrubbery, gardens, etc., and each Owner shall be responsible to keep such trees, bushes, shrubbery, gardens, etc., trimmed, free of debris, and in good order and repair, and shall further be responsible for the continuous and uninterrupted supply of natural gas to the Lampposts, all at the Owner's instance and expense, and in a manner and with such frequency as is consistent with sound property management.