1. Sunflower
Sunflowers are annuals with showy, daisylike flowerheads that are usually 2-4 inches across and bright yellow (though occasionally red). Tall and course, the plants have creeping or tuberous roots and large, bristly leaves. Today, varieties have even been developed for small spaces and containers. Most sunflowers are remarkably tough and easy to grow as long as the soil is not waterlogged. Most are heat- and drought-tolerant. They make excellent cut flowers and many are attractive to bees and birds.
2. Hydrangea
Hydrangeas are popular garden shrubs with delicate heads of flowers in shades of pink, white or blue and pretty autumn color and leaf shape. The mop head hydrangeas are most well-known for their ability to change color in different soils. Hydrangeas thrive in a moist, but well-drained soil, in a cool, semi-shady part of the garden. Try to avoid exposed east-facing sites, where cold winds may damage young spring growth, and also avoid dry, sunny spots.
3. Geraniums
Geraniums are one of the most reliable plants in the home garden. They can be obtained in flower in late spring and will add color to the garden until frost. The new cultivars offer almost shatter-proof flowers that withstand wind and rain. Geraniums can be obtained as seedlings or established plants.
4. Jasmine
The Jasmine flowers are white in most species, with some species being yellow. The Jasmine is believed to have originated in the Himalayas in western China. Flowering in Jasmines takes place in summer or spring which is usually six months after planting. The Jasmine flower releases its fragrance at night after the sun has set and especially when the moon is waxing towards fullness. Jasmine flower buds are more fragrant than the flowers.
5. Lilies
True lilies belong to the genus Lilium and grow from plump, scaly bulbs. They are magnificent flowers that command attention wherever they are planted. Lily flowers are valued for their very showy, often fragrant flowers. The 6 plain or strikingly marked tepals ("petals") are often trumpet-shaped, sitting atop tall, erect stems.
Sweet peas enchant us with their fragile, seductive fragrance and make great bouquets. These pea-like flowers grow in many lovely colors and are suitable for an annual border, a woodland garden, and a trellis or arch. Cultivated sweet peas go back at least 300 years. In their native Sicily, these ornamental peas have weak stems and intense orange-jasmine-honey scent. Modern hybrids are stronger-stalked and have larger blooms.
7. Tulips
Tulips do best in areas with dry summers and cold winters. The brightly colored, upright flowers may be single or double, and vary in shape from simple cups, bowls, and goblets to more complex forms. They are excellent in beds and borders; many types are good for forcing into bloom indoors, and most are excellent for cut flowers.
8. Fuchsia
Exotic fuchsia is a fascinating flower, with lovely hanging lanternlike flowers in magentas, pinks, purples, and whites. If you're lucky, your fuchsia will attract hummingbirds. There are several types of fuchsia on the market. The most familiar to many gardeners are those grown in hanging baskets in the North. Recently, plant breeders have released a series of upright fuchsias with smaller flowers, often in shades of orange and red.
9. Lavender
Lavender (Lavandula) is an easy to grow, evergreen shrub that produces masses of beautifully scented flowers above green or silvery-grey foliage. This drought-tolerant plant thrives in a sunny border, container or herb garden. Beside making your garden beautiful and look violet it can help your family to live in a healthy surrounding with it's aroma.
10. Roses
The rose is probably the most popular of all garden flowers. They grow in every part of the United States and are dominant in many landscape designs. When using roses in the home landscape, some people envision them in a place of prominence, serving as a colorful, focal point or accent. Others visualize roses as only being suitable for a formal garden. Roses can be some of the most versatile plants in your home landscape. These plants, because of the wide variety of growth habits, sizes, colors, and textures, can fill any niche in the home landscape. As long as the planting bed is prepared correctly, there is no reason you can’t have roses in all parts of your garden.
For more info on how use these type of flower to make your landscape garden look beautiful and elegant. I would recommend to have a guide book for a first timer. there are many books and tutorial that will help us in designing our garden using these type of flower. For me, i am using ideas4Landscaping e-book for my reference. It is one of the most completed guide for everyone either a first timer or a professional landscape designer. You can check it website at here. Have a try.