TheNaturePlanet

Are you still worried about what plants to grow on the sun-exposed rooftop? You can blindly choose these 6 kinds of flowers! The more they are exposed to the sun, the more they will bloom, and even novice gardeners can easily handle them~

**I. Gladiolus**
The flowering period of gladiolus is from July to September. The flower stalks stand upright and straight, and the trumpet-shaped flowers are densely arranged at the top, like strings of small bells. The colors range from orange-red to light purple, and a single stem can bear more than 10 flowers.
**Maintenance Key Points**: Select sandy soil with good drainage, and plant the corms 5-8 cm deep in the soil. Water once a week during the growth period, and apply phosphorus and potassium fertilizers before flowering to promote blooming. After the flowers wither, cut off the withered flowers in a timely manner, keep the leaves to nourish the corms, and stop watering during the winter dormancy period.

**II. Jasmine**
The flowering period of jasmine is from May to August. The small, pure white flowers with five petals cluster together, paired with dark green and shiny leaves, which are simple, elegant and fresh!
**Maintenance Key Points**: Use slightly acidic humus soil and ensure more than 6 hours of sunlight every day. Water every day during the growth period, apply alum fertilizer water once a week, and severely prune the branches after flowering to promote the germination of new branches.

**III. Daylily**
The flowering period of daylily is from May to September. The sword-shaped leaves are slender and elegant, and the funnel-shaped flowers are solitary at the top of the branches. The golden yellow and orange-red flowers are bright and imposing!
**Maintenance Key Points**: It can tolerate poor soil, and can be planted in ordinary garden soil! Water once every 10 days in spring and autumn, and water once in the morning and once in the evening during the high temperature period in summer. Divide the plants once every 3-4 years to avoid root congestion.

**IV. Sunflower**
The flowering period of sunflower is from July to August. The disc-shaped flower heads are covered with bright yellow petals, and the center is densely filled with brown flower seeds.
**Maintenance Key Points**: Selecting dwarf varieties is more suitable for potted plants! Provide full sunlight maintenance and water 1-2 times a day. Apply nitrogen fertilizer once a week during the growth period, and change to phosphorus and potassium fertilizers after the buds appear. After the flowers wither, cut off the flower heads and keep the stems to collect the seeds.

**V. Bougainvillea**
The flowering period of bougainvillea is from March to December. The small flowers are wrapped by three paper-like bracts. The bright magenta and orange-yellow flowers are warm and unrestrained. When it blooms in full force, you can only see the flowers and not the leaves!
**Maintenance Key Points**: Strictly control the water to promote flowering! Water when the leaves start to wilt, and water thoroughly each time. Apply potassium dihydrogen phosphate once a month, trim the withered flowers and weak branches after flowering, and pay attention to keeping warm and preventing freezing in winter.

**VI. Portulaca grandiflora**
The flowering period of Portulaca grandiflora is from May to November. The single-petal ones are small, delicate and lively, and the double-petal ones are like mini peonies. The petals are thick in texture, and the flower colors range from milky white to bright red!
**Maintenance Key Points**: It can survive by cuttings! It can grow even if casually planted in the soil, and it is tolerant of poor soil and drought. Apply a thin layer of fertilizer once a week during the growth period, and cut off the withered flowers in a timely manner after flowering to prolong the flowering period.

**Planting Tips**:
1. Choose large flower pots in sun-exposed areas to prevent water from evaporating too quickly.
2. Water in the morning and evening, and never water at noon! It will scald the roots.
3. Sprinkle some slow-release fertilizer every month, and you will have countless flowers blooming!