How to Grow Sweet Alyssum Well? A Complete Guide to Planting Techniques
Sweet alyssum is a plant in the Brassicaceae family and a perennial herbaceous plant. Let's take a look at the planting techniques for sweet alyssum.
Sweet alyssum is short with many branches; when it blooms, it forms a sheet of white and gives off waves of delicate fragrance, attracting large numbers of bees. It is an excellent flower for rock gardens, and also an excellent edging material for flower beds and flower borders, and it looks very good grown in pots for viewing. Sweet alyssum grows in a creeping manner and has a pleasant delicate fragrance; it is also suitable for planting at the edges of rock garden walls, and can also be potted or used as ground cover.
Perennial herb. Grown as an annual or biennial, plant height 15 to 30 cm, much branched, spreading, plant form semicircular, covered with grayish-white short hairs. Leaves simple, alternate, lanceolate or linear, entire margins, also covered with grayish-white short hairs on the leaves. Racemes terminal, small flowers white or pale purple, flower diameter 2 mm, numerous and dense, hence also called little white flower. After flowering the inflorescence lengthens and can keep blooming continuously, flowers fragrant. Flowering period March to June, and it can also bloom in autumn. Silicles small, nearly round, seeds flat, short oval, yellow or wheat-straw yellow, 1000-seed weight 0.28-0.33 g. Varieties include the variegated-leaf type, with leaf margins white or pale yellow; and the dwarf type, only within 10 cm tall.
Cultivation and Management of Sweet Alyssum
Sweet alyssum is vigorous and can withstand light frost; protection should be given for overwintering outdoors. It dislikes heat, likes sunlight, and has no strict requirements for soil, but well-drained soil is preferable, though it must not be too wet. Carry out heavy pruning before the hot summer and place it in a cool spot to pass the summer, then it will bloom even more abundantly after autumn. Generally after flowering, the lower part of the inflorescence has already become bare; you can combine seed collection with cutting the inflorescence off from the stem, so that new flower spikes regrow; dry the cut portions briefly, shake out the seeds and store them.
If the plant seems old and declining, you can also prune it back heavily to renew it, apply a little liquid fertilizer, and before long it will again be covered with flowers. Sweet alyssum has a long flowering period; apply fertilizer at the right time and water it, applying a dilute liquid fertilizer once every half month. Pay attention to hoeing and weeding and to pest and disease control. For potted plants, as the plant grows, gradually move it into larger pots, and finally transplant it into a 15 cm diameter clay pot.
For those overwintering in a sunny cold frame, cover well with straw curtains at night to protect against the cold, and move them to the flower bed when spring warms up. Sweet alyssum has a long flowering period; apply a dilute liquid fertilizer once every half month. Generally after flowering, the lower part of the inflorescence has already become bare; you can combine seed collection with cutting the inflorescence off from the stem, so that new flower spikes regrow; dry the cut portions briefly, shake out the seeds and store them. If the plant seems old and declining, you can also prune it back heavily to renew it, apply a little liquid fertilizer, and before long it will again be covered with flowers.
Planting Methods for Sweet Alyssum
Sweet alyssum is a plant in the Brassicaceae family and a perennial herbaceous plant, but its base becomes woody; of course, this is for natural sweet alyssum, whereas if it is cultivated, its base will not become woody. The place of origin of sweet alyssum is along the Mediterranean coast, where the temperature is relatively cool, so it likes a cool climate environment and has weak adaptability to hot environments. To grow sweet alyssum well, give it sufficient light and provide a fertile, loose soil environment. It can tolerate drought and poor soil, but it cannot tolerate waterlogging; too much water will cause its roots to rot and the plant to die. There are two planting methods for sweet alyssum, namely seed sowing and cutting propagation.
For the soil for propagating sweet alyssum, you can use a soil mixed from leaf mold, coarse sand and garden soil in a ratio of 1:1:2, with a small amount of bone meal added to provide base fertilizer. When planting out sweet alyssum in spring, choose a sunny, wind-sheltered spot at a higher elevation, and leave about 30 cm between each seedling. After planting out, cover and press it down with soil, then water thoroughly. Apply fertilizer once 3 days in advance, and after that no more fertilizer is needed for 4-6 weeks. Just let it receive sufficient light.
During the growth and propagation period of sweet alyssum, make sure to give it sufficient water and fertilizer, applying fertilizer once every one to two weeks. Its most suitable temperature range is 12-26°C, so in winter and summer its temperature must be controlled, and the light duration must also be ensured to be no less than two hours per day.
When to Sow Sweet Alyssum
The sowing season for sweet alyssum seeds differs between north and south. In northern regions, it is generally sown in a greenhouse around March in spring, keeping the temperature controlled at around 20°C. After sowing, the time to emergence is very short, needing only 5 days to emerge, and once 3-5 true leaves have grown it can be potted up and planted out. In North China and southern regions, by contrast, the seed sowing time is often in autumn, roughly between August and September, and after sowing a cold frame is used to protect it through the winter.
The above is the full content of the sweet alyssum planting techniques I have summarized for everyone. I hope this article can help you. Please also continue to follow us.
In North China and southern regions, by contrast, the seed sowing time is often in autumn, roughly between August and September, and after sowing a cold frame is used to protect it through the winter.The above is the full content of the sweet alyssum planting techniques I have summarized for everyone. I hope this article can help you. Please also continue to follow us.