1. Plant Classification Theophrastus 370-285 BC Carl von Linnae
Historia Plantarum
Trees, shrubs, half shrubs, herbs
Annuals, biennials and perennials
A few families
Carl von Linnae
Genera Plantarum
Species Plantarum
Binomial system – two part name

2. Plant Classification Kingdom – Plantae (Plant)
Division – Tracheophyta, Spermatophyta, Bryophyta, Thallophyta, Pteridophyta
Class – Gymnospermae, Angiospermae, Filicinae
Subclass – for Angiospermae only- Monocotyledonae, Dicotyledonae
Order (ales ending)
Family (aceae ending)
Genus
Species (specific epithet)
Variety/Cultivar

3. Classification Class-Gymnospermae Order- Coniferales
Family- Cupressaceae
Genus - Juniperus
species - chinensis
variety - ‘Procumbens Nana’

4. Juniperus sp.

5. Pinus sp.

6. Classification Class - Angiospermae Subclass - monocotyledonae
order - Arecales (Palmales)
Family - Arecaceae
Genus - Washingtonia
species - filifera

7. Monocot

8. Monocot - Flower

9. Classification Class - Angiospermae Subclass - Dicotyledonae
Order - Apocynales
Family - Apocynaceae
Genus - Plumeria
species - obtusa
cv - ‘Common White’

10. Angiospermae - Dicot

11. Angiospeermae - Dicot

12. Classification Class - Filicinae Order - Polypodiales
Family - Polypodiaceae
Genus - Nephrolepis
species - exaltata
cultivar - ‘Bostoniensis’

13. Filicinae - Dicksonia sp.

14. Monocots vs. Dicots Monocot One seed leaf Parallel leaf veins
Flower parts in 3’s or multiples of 3’s
Dicot
Two seed leaves
Netted/reticulate venation
Flower parts in 4’s or 5’s or in multiples of these.

15. Horticultural Classification
Morphological features
Succulent
Herbaceous
Woody
Vines
Trees
Shrubs
Deciduous
Evergreen

16. Horticultural Classification
Environmental
Cold hardy
Tender
Warm season
Cool season
Aquatic
xeriphytes

17. Classification Growth pattern By usage Annuals Biennials Perennials
Edible – vegetable, fruit and nut crops
Amenity – cut flowers, potted crops, nursery crops, turfgrasses

18. Career Options in Horticulture
Nursery
Wholesale
growing, plant propagation of bedding plants, woody ornamentals, foliage plants, specialty crops, etc.
Retail
sales of plants and other products to the public

19. Careers in Horticulture
Sales
brokers-finished plants, propagation material
company representatives-
chemical-fertilizers, pesticides, growth regulators, etc.
equipment-mowers, edgers, small tractors, etc
tools-rakes, shovels, hoes, small tools, etc.
supplies-packaged soils, garden tape, grafting materials, pots, cell packs, etc.

20. Careers in Horticulture
Sales (cont’d)
soil-custom mixed, compost, artificial soils
combination of product mixes and services
seed
publications and news

21. Careers in Horticulture
Landscaping
Architectural Design
Freelance Design
Contracting and Installation
Maintenance
Arbor Services
Certified Arborist (Consulting)

22. Careers in Horticulture
Turfgrass
Sod Farming
Municipal Park Maintenance
Golf Course Management
Athletic Field/Stadium Management
Cemetery Maintenance
Consulting

23. Careers in Horticulture
Irrigation
Consulting
Contracting and Installation
Design
Sales and service of parts

24. Careers in Horticulture
Education and Research
vocational education
university / community college teaching
university research and publications
cooperative extension service
botanical garden management