This resignation letter from a landscaping artist is brief and includes an optional explanation.
{Your address}
{City, State, Zip}
{Date}
{Recipient}
{Address}
{City, State, Zip}
Dear {Name},
This letter is to inform you that {landscaping company/individual} will no longer be providing services to your {home/office}, due to {reasons for resigning}.
This resignation is effective immediately.
Sincerely,
{Name}