Flowers: Adding Rainbow Colors To Landscape

By Adnan Younis, Dr. Atif Riaz and Dr. Muhammad Nadeem, Institute of Horticultural Sciences, University of Agriculture Faisalabad Pakistan

Annual flowers are non-woody plants that complete their life cycle in one season, ending with seed production. Annual flowering plants can be propagated through seeds, unlike many biennials and perennials. They are thus best suited to environments that have a short growing season. Annual flowers can play an imperative role in a well-designed landscape and are an excellent way to draw attention to building and home entrances, walkways and outdoor living spaces and to provide homeowners and visitors with pleasing welcome.

Selection of flowers for garden needs a careful attention and should be carried out on the basis of plant height, color of flowers, nature of growth, and type of environment they need. Typically, a flower border has the tallest plants in the back, medium height plants in the middle and short plants in the front. The style of the annual bed should be compatible with the overall style of your landscape design. Plantation can be done either in a formal or informal design, depending on the arrangement of the planting. In formal designs are made up of geometric lines and symmetry, with strong focal points that attract the eye. In contrast, informal designs have curved, flowing lines and natural forms, follow natural terrain and create an asymmetrical balance within the planting.

Before planting flowers, the physical characteristics of the site must be evaluated. Check the site's soil type, fertility status, drainage and its exposure to sun and wind. Compare site characteristics with specific plant requirements. An annual plant adapted to site conditions grows and flowers more vigorously and has fewer pest problems. Some plants intolerant of heat and sun may perform adequately when planted in part shade. Annual flowers offer flexibility in landscape design and planting can be changed each growing season, creating an entirely new design. As a part of their quick change potential, annuals are called “Temporary Visitors” of Garden.

Designing a garden with plants exhibiting many different colors requires some coordination and color schemes. Consider the color of the house and any other fixed structures such as fences or utility buildings. Pink flowers can be used against a brick walls with orange tones would not produce a pleasant combination. Mostly it is more recommended to use masses of a single color instead of mixing colors in flowering beds because a mass planting of a single color or planting in bands of colors will produce a stronger impact.

It is important to look location and how the flowers will be viewed from different angles. Bright colors stand out, while dark colors fade into the background. Bright colors catch attention to an area, so do not use red and yellow flowers near an eyesore or unattractive area. Bright colors seem closer, while dark colors make the area appear further away. White is the last color to fade from sight as darkness falls and thus is good for areas used at night.

About author: Dr. Adnan Younis is Assistant Professor in Floriculture & Landscape Horticulture at Institute of Horticultural Sciences, University of Agriculture Faisalabad Pakistan. He got his Ph.D degree frm UAF Pakistan and Post Doc from USA. He is very active in teaching, research, seminars, writing, landscaping and a lot of other activities at national and international level.

Contact: adnanyounis1976@yahoo.com

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Garden Talk: Time To Grow Green and Purple

By Zahrah Nasir

Q: I am planning to cultivate quite a lot of basil and would be grateful if you can guide me through the basics. How to sow the seed, soil conditions, fertiliser, watering and where to get good quality seed.

A: Basil, there are many varieties with different coloured/shaped leaves and different flavours, is very simple to grow from seed. The seedlings do not like being disturbed as they have a long tap root which is easily damaged so it is best to sow them very thinly and according to species, as some are larger than others, where they are to grow.

Soil that is rich in organic material is ideal. Basil flourishes in full sun and while it requires regular watering, good drainage is essential. The seed needs warmth to germinate so is best sown in spring when temperatures are on the rise although it can also be started off in autumn before temperatures drop and then grown under plastic/glass for the winter.

Once you have some mature plants, these can also be increased by propagating from cuttings. Basil should not require additional fertiliser if the soil is correctly prepared prior to sowing the seed. Nip out the central growing shoots when the plants are four to six inches high, this encourages them to bush out and produce more of their deliciously aromatic leaves. Keeping the strongest plants for seed production is always, as long as the seed was not hybrid, a good idea. You need to shop around for seed and perhaps, especially if opting for an ‘unusual’ variety, import it yourself.

Q: Is there any species of perennial viola, a fragrant one, which can be grown in Lahore?

A: I am delighted to say that there is! Viola odorata is the answer. Grow it in partial shade, keep watered and you will be magnificently rewarded.

Q: For the past few years I am unable to make my Nerine bowdenii flower. I am growing it in medium-size plastic pots. It does grow leaves but does not go dormant at all. I think that it should go dormant before the monsoon and then flower in August/September. Any tips?

A: The plant needs to have a rest in order to build up enough energy to flower: Going on and on producing leaves uses all its strength up. I would suggest giving it a hand by withholding water for at least six weeks before the arrival of the monsoon and then let nature take over.

Q: I’m into growing flowers at my place outside Lahore. I want to grow something which is not a run-of-the-mill commodity. Any ideas?

A: If these are to be used as cut flowers then I suggest the following: Venidium, platycodon, rudbeckia, inula, ismelia, bracteantha and please don’t overlook dahlias as there are literally hundreds of beautiful varieties and they all, especially the long-stemmed ones, make excellent cut flowers.

Q: I am planning on growing some tall trees around my house in Quetta and am thinking of coconuts or some other type of palm. Kindly tell me if I can do this and, if so, then what it is the best time to plant them. If this is not possible then please suggest a suitable species.

A: Coconuts are not suitable for Quetta and, aside from date palms, I strongly suggest that you avoid any kind of palm at all as they are liable to suffer frost damage in the winter. I realise that you want something tall and graceful but it really makes more sense, given the prevailing economic conditions, to grow something productive like a selection of fruit trees to give you fresh produce over as long a period as possible.

Q: Can blue hibiscus be grown successfully in Lahore — I haven’t seen them here. There are two most common species with blue flowers Alyogyne huegelli and Hibiscus syriacus. Can these be grown in Lahore from seed and do they require the same care as wild hibiscus?

A: I suspect that you mean Hibiscus huegelli not Alyogyne. H. huegelli, the Australian satin hibiscus with gorgeous lavender coloured flowers and Hibiscus syriacus should both be fine as long as good growing conditions are provided. They are very different in their requirements to wild hibiscus. Give them well drained, sandy soil with lots of humus worked in and grow in full sun. Take care that the seedlings do not damp off.

Picture source: Google.

Source: The Dawn, InpaperMagzine
Published on: 10/25/2012

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