This long-time garden favorite will serve as a great addition to your yard in the summer and early fall if you follow a few simple rules about location and plant care. They are members of the mint family and, while technically a perennial plant, red salvia is often grown as an annual in temperate zones.

How do you take care of a red canna plant?

With masses of broad fleshy leaves, cannas do best with a good supply of water, so water the plants during the summer if the rainfall is less than 1 inch per week. Water freely in a dry spell. Cannas are not picky when it comes to fertilizer. Cannas easily bloom all summer without much effort.

Are Red cannas perennials?

Canna are root hardy perennials in places where the soil does not freeze, and can survive air temperatures down to 0°F. Canna bulbs (rhizomes) should be planted 2-4″ deep after the last frost date and should not be planted after August, north of Zone 8. A well-developed rhizome will have 3 or more eyes on it.

Are red Salvia annuals or perennials?

Indigenous to Brazil, where they grow as perennials due to the hot climate, red salvia flowers are treated as if they were annual plants in temperate zones: They are damaged by hard frosts and will not survive through cold winters.

How do you get red salvia to bloom again?

Amend the soil with compost. To improve their looks and encourage better flowering, deadhead red salvia plants. You can do this by pinching off the flower spikes with spent blooms. Make your pinch fairly far down on their stems.

What is the best fertilizer for red Salvia?

Most importantly, red salvia is not frost tolerant and should not be subjected to prolonged temperatures below 32 degrees Fahrenheit. Red salvia does not have any special humidity needs. For best results, fertilize red salvia plants with the same balanced fertilizer you use to fertilize your other annual flowering plants.

How do you plant Old World Salvia?

Plant Old World Salvia in a wide range of soils (loams, sand) including clay. Many spring-flowering varieties of sage will re-bloom in fall if deadheaded after the first bloom. New transplants need regular irrigation their first growing season to establish themselves.