Plant and Soil Science

1
Plant and Soil Science

• Life cycles

2
PSS.PP.1
Purple foxglove- Digitalis Purpurea
Lettuce- Lactuca sativa
Redwood- Sequoiadendron sempervirens
Marigold- Calendula officinalis
Vinca- Vinca Minor
3
PSS.PP.Key

• Purple foxglove- 2 years, biennial
• Lettuce- lives for about a month, annual
• Redwood- up to 2000 years, perennial
• Marigold- 1 year, annual
• Vinca- 1 year, annual

4
PSS.PP.2
Stand still No growth Winter Seed Mature
plants Maintain Life Dormancy Stage
Vegetables Growth Producing Growing Vegatative
Stage Flowering Pollen Seed Asexual Sexual Reprod
uctive stage