Make a Start Flashcards
What four things do plants need?
- Moisture
- Temperature
- Sunlight
- Nutrition
What temperature do tender specimens tolerate?
Down to +5 Celcius
What temperature do frost-hardy specimens tolerate?
Down to -5 Celcius
What temperature do fully hardy specimens tolerate?
Down to -20 Celcius
What three key elements do plants need?
Nitrogen (N), Potassium (K) and Phosphorous (P)
What does nitrogen govern?
The growth of leaves and shoots
What is potassium required for?
Flowering and fruiting
What does phosphorous promote?
Strong root growth
What is an annual plant?
An annual plant completes their life cycle in a single growing season
What is a biennial plant?
A biennial plant usually complete their life cycle in two years
What is a perennial plant?
A perennial plant lives on from one year to the next
What are the six methods of plant reproduction?
- Runners
- Rhizomes
- Bulbils
- Offsets
- Insect pollination
- Wind pollination
What is a runner?
A runner is a stem that grows out from the parent plant.
They root where they touch the soil surface and can later be severed and transplanted.
What is a rhizome?
A rhizome is a specialised stem that travels through the ground from the parent plant emerging as a cluster of new shoots a distance away.
What is a bulbil?
A bulbil is a bulb-like growth produced from the stems of some plants. They drop on the soil and take root, or can be pulled off and planted.