SPSS Spring 2025 courses PLSC Course DescriptionsSPSS Course SpotlightSPSS Spring 2025 coursesPLSC Fall 2025 courses SPSS Spring 2025 courses SPSS 2430 2430. Herbaceous Ornamental Plants 3.00 credits Prerequisites: None. Grading Basis: Graded Identification, nomenclature, cultural requirements and landscape uses of herbaceous perennials, ornamental grasses, ferns, annuals and bulbs. Study of live plants is required. Taught with SAPL 430.