During the peak months of summer and particularly July, the garden more often than not is in
need of water and it is important to monitor all perennials, shrubs and lawn to ensure they are receiving a sufficient amount. Hanging baskets, container plants and newly planted summer bedding plants are the most prone to drought due to being shallow rooted. Shrubs and trees will be deeper rooted and will be able to source their water supply from further down beneath ground level, that is providing the water table level has not dropped too low from a prolonged period of dry weather. There are two sources of water supply available for use in the garden and they are tap-water and rainwater, the latter being natural and more beneficial as it contains no chlorides and has zero hardness. However, when there is a limited supply of rainwater, then tap-water will be the only option. Ponds and water-features this time of year can drop to a low level and will require the use of a hose for a regular top up to maintain a sufficient level, this will also benefit any fish, particularly with the addition of a spray attachment which will aid in aeration. To maintain a lush green lawn during dry periods can be challenging and it is advisable to water only once a week to minimise wastage. An excellent suggestion by the RHS is to place an empty jam-jar on the lawn and with the sprinkler running for a sufficient time, that is until 13mm (0.5inch) has collected at the bottom of the jar. This is the optimum amount before excess water is wasted as the lawn has now received its required amount. With regards to watering plants, it is more economical and efficient to use a watering can compared to indiscriminate watering by a hose. Water management is extremely important during periods of drought and the essence of this is the method of water storage and harvesting. The most popular method by far is the use of water butts positioned below downpipes which then take the run-off of rain water from various roofs such as garden sheds, greenhouses or even the house. With the water butt raised up on blocks, the tap at the base can be utilised to fill watering cans with the valuable stored rain water. The question then is when is the best time to water the plants and lawn of the garden? The blades of grass will hold moisture in the early hours of the morning, the moisture retreating to the roots around midday. It is a general consensus that to avoid evaporation the best time to apply water is in the morning or evening whilst avoiding the heat of the midday sun. The morning application is the most favoured, this is because the ground will be drier as the day progresses compared to the evening time, equating to a reduced chance of mildew diseases and the arrival of slugs and snails. The final question being: Is it best to water from the top, watering the leaves too, or from the bottom and the roots only? The jury is still out!
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In these unprecedented times the garden can become our saviour, a place where we can temporarily escape from the tribulations which are unfolding around us and the rest of the world too. The garden provides food and medicine for the soul, but it could be regarded as reciprocal, that is the plants no doubt benefit too from human presence. There have been scientific studies that plants may benefit from being spoken to by humans and a great advocate of this was the Duke of Cornwall himself, The Prince of Wales. It was back in 1986 that Prince Charles famously quoted ‘I just come and talk to the plants, really – very important to talk to them. They respond.’ Indeed, the plants will respond from the release of carbon dioxide which is produced when people exhale as they speak. The plants then absorb the carbon dioxide which aids them with their growth and through the process of photosyntheses, oxygen is released as a by-product which in turn is breathed in by the speaker. It also maybe plausible that plants benefit from sounds such as a person talking. Sounds are forms of vibrations which the plants do respond to. An experiment was carried out several years ago by a television crew who arranged plants into separate greenhouses, each greenhouse having a different theme of sound. One greenhouse was silent, another was subjected to the sound of people talking, another to classical music and one to the sound of rock music. The greenhouse which remained silent had the least growth and the greenhouses with music being played had the most growth, the greenhouse of rock music having the most growth of all. However, from this conclusion it is recommended that one must not play loud music in their garden if it would cause any tension with the neighbours at this time of self-isolation, but some gentle singing maybe appreciated. Why not try an experiment yourself? It can work with house plants too. Have two identical potted plants which are placed apart from one another, but if possible the same amount of sunshine and water. Continually talk to one and not the other and after three weeks, the results may prove conclusive, either way it can help pass the time of self-isolation. Otherwise, venture out into the garden and start talking or singing to the plants, select a different area of the garden each day if possible. When asked at a later date if he still spoke to the plants, Prince Charles responded ‘No, now I instruct them instead.’ Whether you wish to instruct them or talk about the day to day events which are unfolding rapidly in front of our eyes, without doubt it will benefit both the plants and the person who is speaking. BY OLIVER DAVID COOK MARCH FOR THE SUMMER BULBS During the month of March the northern hemisphere spring equinox occurs, thus the length of daylight is equal to that of darkness. From then onwards the daylight hours increase and the gardening season is well and truly upon us and no doubt a floriferous spring and summer to look forward to. A variety of summer bloom can come from the bulbous plants and the month of March is ideal to plant the following popular bulbs: - Dahlias - Gladioli - Begonias - Crocosmia - Cannas Lily All of the above can be regarded as sub-tropical plants, which thrive in the sunny and warm locations of the garden. Therefore, it is best to take heed of the weather forecast and not to proceed with planting if a frost is imminent. Essentially the difference between spring bulbs and summer bulbs is that the spring bulbs require several weeks of cold temperatures to trigger the upward growth, hence they are planted in autumn and remain in the soil throughout the winter with growth and blossom occurring in spring. However, the summer bulbs with their preference for a warmer climate do not require this slumber period of cold temperatures. The term bulb is used generically as it includes bulbs, tubers, corms and rhizomes. They are all underground storage organs, the correct name which classifies them all under one umbrella is ‘Geophytes’ originating from Greek, earth (Geo) and plant (phytes). The planting depths can vary depending on the type of bulb, a good rule of thumb is two to three times the size of the bulb which more than often equates to planting approximately 100mm deep. Dahlias are root tubers and can benefit from being pot planted in a greenhouse for the initial growth to commence and then transplanted into the garden, this is to ensure they do not succumb to any frosts. It is however, the temperature of the soil, a minimum of 13c and not the air temperature which contributes to healthy and beautiful dahlias, therefore, it is best to choose an area with full sun and lighter, free drainage soil. Gladioli and Crocosmias are both corms and to be planted approximately 100mm deep and it is advisable to prepare the planting bed by adding some compost after loosening the soil with a garden fork. The Crocosmia corms will benefit from being planted in clumps, whereas, the Gladioli should be planted individually with the point of the corm facing upwards and by placing several in close vicinity to one another, one will be rewarded with a fabulous display of blossom. Gladioli also make excellent cut flowers for the enthusiastic florists amongst us. Begonia tubers are suited for containers and hanging baskets and will provide a continuous colour throughout the summer and autumn. The fibrous rooted variety are more suitable for the garden beds. The tubers have a convex side which is planted downwards, the concave side will posses the new growth and faces upwards. Plant in a pot with a thin layer of gravel/shingle to allow for drainage then the remainder with compost and plant the tuber just beneath the surface. The range of colourful begonias available ensure hanging baskets are a great addition to any garden. The canna lily is a rhizome (underground stem) and the large bold tropical leaves and striking flowers make for a terrific display and should be planted in full sun and a sheltered location away from strong winds. Plant the rhizomes, with the growing points facing upwards, 100mm deep with 500mm spacing between each one for a superb summer display and then water thoroughly. It is highly recommended to use a soil thermometer probe before the planting of summer bulbs, then one can be sure the necessary soil temperature of 13c has been reached for a successful summer bloom. |
Welcome!Here at Penwarne Landscaping we are all passionate about gardens, and believe that outdoor spaces are just as important as indoor ones! In this blog, we regularly share our expertise along with tips and tricks that you can use to make the most of your garden and home. Archives
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