How tall does alyssum grow?

3-9 inches tall
Alyssum grows 3-9 inches tall with a wider spread. Cotyledons are rounded and bright green, while the first true leaves are longer and narrower. The spreading mounds have well-branched stems covered with small linear leaves.

How much does alyssum spread?

The plants typically stand just 4 to 6 inches high, with a spread of 6 to 9 inches. They are popular in containers and can be installed along the rim, overhanging the edge slightly.

Does alyssum come back every year?

Will alyssum come back? The answer is yes in most garden zones. Once the tiny flowers are spent, they will release seeds right back in to the ground. The easiest way to assure they reseed themselves is to do nothing when they die back.

How fast does alyssum grow?

Sweet alyssum is a fast-growing plant that will bloom and proliferate within two months of seeding. Follow these tips to add sweet alyssum to your garden: Sow the seeds before the last frost. Start alyssum seeds indoors several weeks before the last frost date, and transplant outdoors once the seedlings are sturdy.

How far apart do I plant alyssum?

Alyssum grows fast and often stops blooming in hot weather. Broadcast seeds into cultivated soil or containers about 2 inches (5cm) apart, and barely cover them with soil. When the seedlings have more than four leaves, thin to 6 inches (15 cm) apart in all directions.

How far apart do you plant alyssum?

How far apart should I plant alyssum?

Grow alyssum tightly together in groups spaced only 6 inches apart to create a quicker flowering carpet effect. Keep alyssum well-watered during hot, dry weather.

How long does it take for alyssum to spread?

Its flowers grow together in close clusters. It takes about two months for a seed to germinate, grow, and bloom.