Types of Annuals
Annuals can be planted in flower beds, along borders, in container gardens and hanging baskets.
- For soil that contains clay, add compost or manure to the mix
- Many annuals prefer soil with a pH between 6.7 to 7.4
- Add lime to acidic soils or aluminum sulfate to alkaline soils
- Gently untangle roots before planting to help plants take hold of soil
- Placement holes for each plant should be slightly larger than the root ball
- Plants should stand in the ground at the same level they were at in the container
- Carefully tamp down the earth around the plant for stability
- Water thoroughly
When to Plant
- Pay attention to the typical growing season of your region
- Most annuals can be planted as soon as the danger of frost is over
- Planting later in the day yields better results
- Fertilize once or twice during growing season
- Soil enriched with compost may not require fertilizer
- Need between 1” to 1 1/2” of water per week during growing season
- Water early in morning to allow foliage to completely dry
- Add mulch to retain moisture in soil and reduce growth of weeds
- Use general purpose insecticide or fungicide to treat disease or insect damage
- Weed regularly to improve appearance and reduce insects and disease
- Pinch off dead blooms to encourage new flowers
Consult the following chart for suitable annual options:
Characteristic- Hardy annuals -- tolerate cool temperatures, freezing conditions
Characteristic- Prefer full sun
Characteristic- Prefer shade or filtered sun
Characteristic- Semi-hardy annuals -- tolerate cool temperatures, moderate frost
Characteristic-Tender annuals -- don't tolerate cool weather
Characteristic- Thrive in alkaline soil
- Sweet pea
Characteristic- Thrive in infertile soil
Characteristic- Tolerate drought
- Dusty miller
- Globe amaranth
Characteristic- Tolerate wet climates
- Seeds. Starting seeds requires plenty of space, good light and proper temperature levels.
- Live Plants. Choose plants that are deep green in color and are neither too compact nor too spindly. Also, look for plants that have not yet bloomed.
- Containers and Hanging Baskets. Provides a more ideal root-zone environment.
- Screens and Hedges. Some fast-growing annual vines can be used as screens when grown on trellises or fences.