Growth advantage of Primrose in four seasons

Brief introduction of Primrose in four Seasons

[alias] Spring of the four Seasons, Spring of Hubei and Xianghelian

Primulaceae

[place of origin] originated in the west of China and is now widely cultivated.

[habit] like light, but afraid of strong light; fear of heat; like acid, fertile rotten leaf soil.

Morphological characteristics of Primrose

Perennial herb of Primrose, having short stems, about 30 cm tall, brown. Multi-whisker root. Leaves basal, oblong to ovoid, long stalked, margin shallowly notched; smooth, densely white pilose on the back, often with irritating and toxic secretions. Scape extracted from the leaves, umbels larger, calyx funnel-shaped, Corolla red, cultivated varieties and bright colors, such as white, magenta, purple, blue, light red or lilac and so on. The seeds are small and brown when ripe.

Varieties of four Seasons Primrose

The varieties of Primrose include big flower variety, deep safflower variety and white flower variety, and the cultivated varieties have double petal varieties. As potted plants of the same genus, there are common primroses, primroses, multi-flowers, European primroses, hilly gardens and so on.

There are more than 450 species of primroses, mainly distributed in the Northern Hemisphere, and about 390 species in China, mainly in the west and southwest, especially in cool and humid areas at low latitudes and high elevations.

Habits of Primrose in four Seasons

Like cold and moist, avoid hot sun exposure, fertilizer-resistant, not cold-resistant. The suitable temperature for growth is 13 ℃ 18 min, and the sandy loam soil with high humus content is the most suitable. The growth can be completed within 110-140 days according to the temperature.

The flowering room temperature of Primrose is 10-15 ℃. It does not need low temperature like other primroses, but proper low temperature can make the plant grow strong and compact, and increase the number of flower branches. After entering the flowering stage, it is necessary to appropriately increase the concentration of phosphorus and potassium fertilizer and generally use 15-10-30 fertilizer 200ppm. Attention should be paid to pruning withered flower branches after flowering to prevent the occurrence of Botrytis cinerea.

The use of four Seasons Primrose

Primrose and other primroses are important indoor potted flowers widely cultivated all over the world. Primrose is an important potted flower for decorating rooms in winter and spring. It usually blooms from December to April of the following year.

It can also be used as a cut flower. The whole plant is used as medicine to clear away heat and detoxify.

It should be noted that the leaf glandular hairs of Primrose contain primromine, and some people are easily allergic. Wipe hands with alcohol before contact and wash with soapy water after contact for protection. It is reported that varieties without primrose have been bred abroad.