Landscape Horticulturist Red Seal Certification

Plant hardiness zones, native trees, deciduous conifers, annuals, perennials, biennials, and evergreen shrubs.

Photosynthesis, transpiration, root systems, mycorrhizae, chlorosis, nutrient deficiencies, and plant structures.

Turfgrass species, mowing techniques, aeration, overseeding, thatch control, and fertilization timing.

Tree planting depth, B&B technique, staking, transplant shock, girdling roots, and perennial planting.

Pruning timing, heading vs thinning cuts, crown work, branch bark ridge, deadheading, and proper cut angles.

Irrigation types, drip systems, GPM, backflow preventers, rain sensors, winterizing, and soaker hoses.

Interlocking pavers, retaining walls, dry-laid stone, concrete mixing, geotextile fabric, and permeable paving.

IPM strategies, powdery mildew, brown patch, common pests, broadleaf weeds, crown rot, and pesticide safety.

Site grading, surface drainage, French drains, catch basins, equipment operation, WHMIS, and utility locating.