Which plants are blue and what are the blue ones?

Common blue plants include gentian, sage, delphinium, half-branched lotus, etc., and there are also blue varieties of morning glory and rose, and blue plants are highly ornamental and uncommon.

Delphinium grass is suitable for growing in hillside grassland, has strong adaptability to climate, likes humidity and coolness, likes light and can be slightly shade-tolerant, can grow in a semi-shaded environment for a long time, but the flowering period needs sufficient nutrients, and the plants should be properly supplemented with light during the flowering period, and insufficient light will cause the branches and leaves to grow, and the flowering period will be extended or the flowering period will be missed.

Gentian grows slowly and has a long growth period, generally choose a larger pot when planting, pay attention to the drought in spring, increase the frequency of watering, properly fertilize during the flowering period to promote plant growth, spray drugs on the surface of the plant during the bud period to promote photosynthesis on the foliage, and pay attention to shading the sun during the high temperature in summer to avoid sunburn.

Half-branched lotus is suitable for growing in paddy field side sucking or high humidity on the grassland, the soil requirements are not strict when cultivating, the soil layer should be deep and fertile, the sandy soil with good drainage performance can be, its most suitable growth temperature is 20 to 25, it can be propagated by cuttings, the environmental requirements are not high, and the proper light can promote the growth of plants.

Breeding sage should choose loose and breathable garden soil, add organic fertilizer to form the soil, such soil is loose and fertile, breathable and good drainage performance, the ambient temperature of sage growth reaches more than 30, the leaves of the plant will stop growing, in the summer to carry out the necessary shade on the ripe reeds, while reducing the temperature.

Morning glory, irises, butterfly flowers, hyacinths, vitex, wisteria, tongquan grass, comfrey flowers, hydrangeas, blue-edged hydrangeas, tuding cinnamon.

1. Blue Stone Lotus.

The blue stone lotus is the Pi's stone lotus. When I first saw the blue stone lotus, her light blue leaves were slightly curled, and the leaf edges were inlaid with a light red, like a faint sweeping moth eyebrows, with low eyebrows and eyes, waiting for the small jasper in the boudoir.

2. Sapphire.

Sapphire plants are small and have compact leaf arrangements, making them very easy to grow in groups. Sapphire will be ice blue in its normal state, with red tips at the tip of the leaves, red spots on the leaf edges, and faint dark lines;

When given enough light, it is very easy to color, and the angular leaves will turn into a magnificent pink and purple color, which is delicate and cute.

3, Lan Jilian.

Lan Jilian is also known as a peach. The delicate single head can reach 6, the stem is thick, and it is easy to grow in groups. The leaves are blue, with a thin layer of white powder, the tips and edges of the leaves are easy to turn red, and the leaves are compact after the state under suitable conditions, and the color changes to pink orange to pink green.

4, Lan Dailian.

The leaves of the blue daile are cylindrical, some slightly flattened, arranged in the shape of a rosette. The leaf color is grass green to dark green, with dark lines, and the surface is covered with white frost powder, which will show a gray-blue light and elegant hue. When the light is sufficient, the leaf tip turns yellow-red.

5. Blue surprise.

Blue Surprise is a medium-sized succulent plant with rounded and spoon-shaped leaves, waxy white powder on the leaf surface, and light blue, cyan blue, pink, purple or jelly colors with changes in light and temperature.

6. Blue beans. The leaves of the blue bean are like blue beans, with a natural layer of white frost powder, and the tip is reddish and slightly pointed. After the eleventh condition is maintained, the leaf color changes to a slightly pinkish orange jelly color, with a sweet aroma similar to vanilla ice cream, and the demand has always been high among succulent lovers.

Common blue plants include gentian, sage, delphinium, half-branched lotus, etc., morning glory and rose also show blue varieties, blue plants are highly ornamental, and uncommon, home breeding is also very convenient, half-branch lotus can survive through cuttings, adapt to grow in loose and fertile sandy soil.

1. Half a lotus

Half-branched lotus is suitable for growing in paddy field side sucking or high humidity on the grassland, the soil requirements are not strict when cultivating, the soil layer should be deep and fertile, the sandy soil with good drainage performance can be, its most suitable growth temperature is 20 to 25, it can be propagated by cuttings, the environmental requirements are not high, and the proper light can promote the growth of plants.

2. Gentian

Gentian grows slowly and has a long growth period, generally choose a larger pot when planting, pay attention to the drought in spring, increase the frequency of watering, properly fertilize during the flowering period to promote plant growth, spray drugs on the surface of the plant during the bud period to promote photosynthesis on the foliage, and pay attention to shading the sun during the high temperature in summer to avoid sunburn.

3. Delphinium

Delphinium grass is suitable for growing in hillside grassland, has strong adaptability to climate, likes humidity and coolness, likes light and can be slightly shade-tolerant, can grow in a semi-shaded environment for a long time, but the flowering period needs sufficient nutrients, and the plants should be properly supplemented with light during the flowering period, and insufficient light will cause the branches and leaves to grow, and the flowering period will be extended or the flowering period will be missed.

4. Sage

Breeding sage should choose loose and breathable garden soil, add organic fertilizer to form the soil, such soil is loose and fertile, breathable and good drainage performance, the ambient temperature of sage growth reaches more than 30, the leaves of the plant will stop growing, in the summer to carry out the necessary shade on the ripe reeds, while reducing the temperature.

Flowers and leaves tend to be the most attractive parts of plants. The leaves of the plant come in many colors like white, purple, blue, yellow, orange, red, etc. Among them, there are many plants that have blue leaves, but they don't have much in common.

There are many plants with blue leaves, and the more common ones are bitter bark vine, bitter bark vine, stinky cypress, Korean fir, tall fescue, stinky cypress, blue lotus, blue jade, blue lotus, etc. Font Fufang vine is a climbing shrub. Its leaves are blue-green and oval.

Its corolla is cylindrical and bell-shaped. It blooms from March to May and mostly grows in wet forests. Juniper is an evergreen tree.

Its leaves are frost-blue, the stems are erect, and they are as thick as a bowl, and the posture is very beautiful. It is mainly planted as a garden tree.

Blue leaf vine. Blue tall fescue is an evergreen herb. The needle-like leaves of this plant will take on a silvery-blue color in the summer with a silvery-white frost on them. It has high value and is suitable for planting on the edge of self-love flower beds and flower beds.

Blue fescue. Sapphire is a succulent plant. Its leaves are usually compact and easy to color. Its color is blue-gray, and its yellow corolla is oval. It grows mainly in Mexico.

Sapphire. Blue lotus is also a succulent. Its leaves are relatively thin, blue-green in color, arranged in a rosette, and the flowers are pink. I like to grow in warm, dry and sunny environments.

Categories: Education Academic Exams.

Problem description: Some people say that blue is a plant whose leaves can be used to make blue dye. So what does "green hidden liquid oak out of the blue" mean? If blue is a plant, then what does it look like, can you give a picture of the stove next to it?

Analysis: Blue out of blue.

pronunciation qīng chū yú lán

Interpretation of blue: indigo; Blue: Grass that can be used as a dye, such as indigo. Cyan is extracted from blue grass, but the color is darker than blue. It is a metaphor that students surpass teachers or descendants over predecessors.

Source: "Xunzi Persuasion": "Green, taken from blue, and green from blue." ”

The examples are getting better and better. (Qing Pingbuqing, "Xia Wai Crumbs", Volume 6).

Polygonum tinctorium ait.---

Morphology] annual herb, 50 to 80 cm tall stem cylindrical, light purplish red, lower nodes with fibrous roots. Monophytic leaves. inflorescences spike-shaped, apical or axillary, flowers pale reddish, dense; The perianth is 5 deeply lobed.

The achenes are ovate, with 3 ridges, black-brown, containing 1 seed, wrapped in the perianth.

Distribution] mostly cultivated or semi-wild state. It is distributed in Northeast China, North China, Shaanxi, Shandong, Hubei, Sichuan, Guizhou, Guangxi and Guangdong provinces.

Harvesting] can be collected twice a year, the first time in May and June, and the second time in August and September. The above-ground parts are cut, impurities removed, cut into sections, and dried.

1. Violet. Violet flowers are mostly blue or purple in color, the whole body of the plant is covered with pubescence, its stem is erect, multi-branched, the leaves are oblong, the flowering period is in April and May, and the plant grows mostly in the Mediterranean coastal area.

2. Morning glory. Morning glory has blue flowers, it is an annual winding herb, the leaves are broadly ovate, the shape of the flowers resembles a trumpet, and the hidden brother grows mostly in hillside shrubs, mountain roadsides, dry river valleys and other places.

3. Blue Star Flower. The corolla of the blue star flower is five-lobed blue, the plant has oblong leaves alternate, the stem is densely covered with white hairs, and it can bloom all year round, and it is mostly distributed in East China, South China, Southwest China and other regions of China.

4. Jacaranda. Jacaranda flowers are mostly blue, it is a deciduous tree, the plant can be up to 15 meters high, the leaves are oval diamond-shaped, the flowering period is from May to June, and it likes to grow in a warm, humid environment.

5. Hyacinth. Hyacinth's flowers come in many colors, including blue, and the plant's bulbs are ovate with narrow-lanceolate leaves, which resemble garlic when not blooming, and are cultivated all over the world.

1. Forget-me-not:

Forget-me-not, is an herb of the comfrey family. Forget-me-not is a plant that loves the sun, is arid and taboo to moisture. Forget-me-nots are the gifts that many lovers give to each other, representing the heavy and deep love of the giver. The forget-me-not décor is a light and fresh sky blue.

2. Blue melon leaf chrysanthemum:

Guara chrysanthemum, an herbaceous plant of the Asteraceae family. There are many colors of guarana chrysanthemum, among which red is the most common, and it is common to see red gourd chrysanthemum as a bonsai on the southern streets, but there is also a rare blue color of guarana chrysanthemum.

3. Blue Star Flower.

Blue star flower is a perennial evergreen shrub of the family Spira. The blue star flowers bloom in the morning and all wither in the afternoon. The flowers of the blue star flower are small in diameter and very delicate and cute. Blue star flowers like sunshine, warm environments, good planting environment, and can bloom all year round.