E M PL SA PART 1 PART 3 Foreword Introduction Case Studies PART 2 Practicalities SECTION 2: Creative design 129 5 University campus 130 6 Meadow on a sloping site 134 7 From rose garden to meadow 136 8 Deck with meadow 140 SECTION 3: Wildflowers for wildlife 142 9 Wildlife meadow 143 10 School meadow 148 11 Meadow for bees 150 SA M Choosing the right method 29 Planning a wildflower area 36 Design and preparation 46 Installation techniques 60 Maintaining a meadow 84 Enhancing a meadow 93 Solving problems 104 SECTION 4: Wildflower roofs 154 SECTION 7: Enhanced meadows 205 12 Pitched roof 155 13 Flat roof 158 14 Visitor centre roof 162 15 Stable roof 166 25 From pastureland to wildflowers 206 26 Designer garden meadow 210 27 Multi-habitat meadow 214 28 Modern meadow 218 SECTION 5: Challenging sites 172 SECTION 8: Iconic meadows 222 16 Meadow by the sea 173 17 Roadside verge 178 18 Wildflower bank 180 19 Shady meadow 182 20 High-profile, public site 184 29 A meadow restored 223 30 Olympic meadow 230 31 Roadside wildflowers 236 32 Chelsea Flower Show meadow 240 33 Lakeside meadow 244 SECTION 6: Community projects 190 Conclusion 248 Resources 250 Index 252 Acknowledgements 256 About the Author 256 PL Why plant a meadow? 9 The history of wildflower meadows 15 SECTION 1: Starting from scratch 115 1 Front Garden 116 2 New-build home 118 3 From lawn to meadow 122 4 Urban regeneration 126 E Contents 21 Waterfront meadow 191 22 Eye-catching park and roundabout 194 23 Regenerating a city site 198 24 Woodland meadow 202 SA M PL If you’re anything like me you will by now have a collection of wildflower seed to rival the Millennium Seed Bank. Handed out at flower shows, stuck to magazine covers, given away with a jar of honey, wildflowers are on our minds as we hear about the lack of food for honeybees and other pollinators. But achieving a wildflower meadow that fulfils your expectations in terms of colour and longevity, returns reliably year after year and brims with wildlife is no slam dunk. A big shout out therefore for James Hewetson-Brown and this book, which brings a refreshingly pragmatic note to the wildflower meadow debate. His state-of-theart techniques including his much celebrated wildflower turf (star of Chelsea Flower Show and the London Olympics) are practical, reliable and show you how to make a meadow you can enjoy the year you plant it rather than in 5 years time. Some of this is about being clear about what a meadow is and what is reasonable to expect from it through the seasons and year after year – you can read more about that in the following pages. But more importantly this book explains how a lot of the unpredictability of meadow-making can be overcome by choosing the right application method – whether that’s roll-out turf, seed or ‘naturalizing’ – and implementing an appropriate maintenance regime, particularly when it comes to cutting. But who has space for a wildflower meadow? I’m always surprised to see statistics that show how, when put together, even small meadow areas in back gardens make a significant contribution to replacing the wildflowers we’ve lost due to intensive farming after the Second World War. These small plots in gardens, parks, suburbs, cities and main roads provide ‘wildlife corridors’ that allow species to travel and become healthier through access to a wider gene pool. These habitats are not just for insects either but provide nesting places for small mammals and prey for animals further up the food chain. Meadows are also good for people. The philosophy of this book is that meadows should be enjoyable to make and bring pleasure year E Foreword 6 HOW TO MAKE A WILDFLOWER MEADOW after year. At least one of the meadow makers featured in the book describes his meadow as ‘a way of life’. Meadows are for humans as well as wildlife and walking through waist-high flowers and grasses brings a sense of well-being and close contact with nature that is hard to beat. Alys Fowler INTRODUCTION 7 Alys specified wildflower turf for the Peninsula Garden in south-east London to create this biodiverse environment that is good for pollinators and people. Below left (centre): Lateflowering plants such as this teasel provide important food sources for the bee population. PL Below: A small tortoiseshell butterfly using the common knapweed as a rich source of nectar. E Left: Deer will graze and use a meadow as cover. Below left (bottom): Wildflowers are magnets for many pollinating insects including this hover fly. SA M Above left: Newts found colonizing a new urban meadow. 24 HOW TO MAKE A WILDFLOWER MEADOW Above: Barn owls scour meadows for prey. Left: Peregrine falcon looking for prey within a wildflower meadow. INTRODUCTION 25 You will have discovered the pros and cons of the various ways to establish a wildflower meadow. This chapter explains how to be successful with your chosen method. Creating a meadow from seed Timing Time is of the essence when seeding a meadow and it is often overlooked. Ground preparation will always take longer than imagined and so it is important to start planning your meadow early. You have two ideal windows of opportunity when seeding a meadow: early spring and late summer/early autumn. Sowing too early or too late will reduce the amount of daylight available to the germinating seed and will also have a bearing on the warmth and moisture levels of the soil. SA M PL Starting your meadow from seed can be a very rewarding task, but it does require a fair amount of knowledge and will certainly be a more time-consuming project – if you are hoping for a perennial meadow, expect to be working on your project intermittently for 3–5 years before you can enjoy the finished article. For all good meadow establishment, site preparation and getting quick and robust plant growth are essential. These two steps will have the biggest influence on success. When establishing a meadow by seed, you will need to create an appropriate seedbed that has been rotovated to a fine and even tilth. In order to achieve this, the soil should be completely clear of existing vegetation, including roots. Some species of wildflower require surface sowing, but to protect the various types of species in the seed mix and give them the best chance of germinating, lightly raking the soil after sowing will help to ensure good seed-to-soil contact which will improve overall germination. The soil should then be lightly rolled to help lock in any moisture and firm the area against wind erosion. Of course, the ideal preparation for the sown seed is also ideal for any weed seeds that are left in the soil and these will germinate quickly too. They are generally aggressive and are likely to out-compete the wildflowers. It is worth repeating: take every opportunity to clean the site before sowing and make sure that you sow at a time when the wildflowers can establish quickly, so avoid sowing too early or too late in the season. E Installation techniques 60 HOW TO MAKE A WILDFLOWER MEADOW Top tips for seeding • Store the seed in a cool, dry, during transport. Make sure the • A ridge roller can help to stabilize dark spot before use to keep seed is well mixed before sowing the soil, offering protection from germination rates at their best. – don’t just rely on the standard of wind and heavy rain. • Thorough weed control is the mix in the bag. • If you are sowing on a slope be important. If using chemical • A technique to ensure accurate aware of soil migration – seeds can control methods, wait for 4–6 sowing rates is to section the area wash to the bottom, leaving bare weeks after the treatment for any into quadrants and divide the seed patches at the top. second flush of weeds. Then you to suit. Remember, measure twice, • As the seedlings develop, you are can do a final clearance of any new sow once. Keep some in reserve as provided with the best opportunity weed seeds that have germinated insurance. Once the seed is sown for weeding out anything that you before you sow the seed. you will not be able to collect it up, don’t want. Small weeds are much • Once the site is weed-free, create so if you get it wrong make sure it easier to deal with but can be hard a fine tilth. is wrong by having seed left over to recognize. • If you are using grass within your rather than running out! • No fertilizer is required at any mix, keep it to a minimum (at • Ensure good soil-to-seed contact. stage of ground preparation or most 25 per cent) and do not use Seeds like to be shallow-sown but sowing wildflowers. known aggressive grasses such as are then prone to drying out. Use a rake or brush to scuff the seeds • As seedlings emerge, help them Yorkshire fog (Holcus lanatus) and cocksfoot (Dactylis). into the surface. Lightly roll the • Some seeds may settle out area after sowing. PRACTICALITIES 61 to become well established as quickly as possible by occasional watering if required. Laying turf on a slope correct wrong SA Below: Do not overlap the turf at the joints, nor create tension that causes joints to pull apart or shrink. Turf can be laid onto slopes with angles of up to 70 degrees. It can prove a little difficult to prepare the soil on a steep slope, particularly with inclement weather as heavy rain can wash soil to the base of the slope, but once laid, turf will be beneficial for soil stabilization. Lay the turf from the top down, pegging in the top two corners of each turf, usually with wooden pegs that will degrade over time. You can use metal pegs but you will need to take these out once the turf has rooted to avoid later damage to cutting machines. M Above: When laying the turf, take care to ensure that all joints are butted up correctly. 90° 80° 70° 60° 50° 40° PL The preparation required for turfing a meadow is similar to seeding but there isn’t the need to be quite as thorough. The weed control can be done in one go as the turf is instantly competitive once laid. While rotovating is required, the surface doesn’t need to be completely level as the thickness of the turf helps to even things out. However, for successful establishment the turf requires soil-to-root contact and so an adequate tilth is still necessary. Having said that, the roots of the turf are amazingly robust and keen to establish themselves. Wildflower turf is relatively light in comparison to traditional lawn turf, owing to the soil-less growing methods. When laying the turf, the pattern illustrated below is advised for optimum speed and accuracy, but this isn’t essential and the turf will quickly root in when laid. Any offcuts will establish if placed on soil, so there should be very little wastage. E Creating a meadow with turf 64 HOW TO MAKE A WILDFLOWER MEADOW 30° grade 20° 10° 0° 1000% 500% 300% 200% 150% (10 in 1) (5 in 1) (3 in 1) (2 in 1) (3 in 2) 100% (1 in 1) = 45° 75% (3 in 4) = 36.87° 50% 40% (1 in 2) = 26.57° (2 in 5) = 21.80° 30% (3 in 10) = 16.70° 20% (1 in 5) = 11.31° 10% (1 in 10) = 5.71° 0% = = = = = 84.29° 78.69° 71.57° 63.43° 56.31° This chart shows the various ways in which a slope can be described, either as a percentage, an angle in degrees or as vertical change compared to horizontal change. This may help you understand how a slope has been described to you on landscape drawings. = 0° angle Top tips for turf laying • If you are using glyphosate to finish is not needed! This area can be mulched to retain prepare your designated area, give • It is not essential to work off moisture for the tree and keep it enough time to work – normally planks unless the soil is really soft weeds from establishing. 10–14 days. and you find yourself sinking into • Ensure good root-to-soil contact • Glyphosate must be applied to a it. when laying; a good watering will dry leaf on a dry day and 24 hours • A light roller can be applied help to achieve this. without rain is required after if the turf has gone down onto • There is no requirement for spraying. particularly uneven ground fertilizer. • To improve the speed of but is not necessary in normal • Even tiny pieces of turf will grow establishment, water the prepared conditions. well, so there should be very little soil to saturation point 48 hours • If you are laying turf around the wastage. before laying the turf. base of a tree, set it back, so that • Ensure the soil is not waterlogged • The laying of the turf should be the turf is not competing with the or compacted prior to laying the reasonably quick – a bowling green tree for nutrients and moisture. turf. PRACTICALITIES 65 1 2 Dig or rotovate to a depth of 5–15 cm (2–6 in), depending on the level of soil compaction. The intention is to loosen and aerate the soil to allow easy establishment of plant roots. 5 Each turf must butt up to the next without overlapping or leaving gaps. This helps to prevent weeds growing up from beneath the turf. 6 7 8 Use a half moon to edge and cut around awkward shapes. A serrated knife can be useful for detailed cuts. Any small off-cuts can be used by patching together. 3 SA M Start by cleaning the area using glyphosate. Apply to a dry leaf on a still day when rain isn’t forecast for 24 hours. PL E How to lay wildflower turf Rake off clods, root material and large stones to leave a level and reasonably fine tilth. Stack the turf near where you are working before laying it. 4 Roll out your turf, pressing it down to ensure good root-to-soil contact. Try to finish laying within 24 hours of delivery. 66 HOW TO MAKE A WILDFLOWER MEADOW Immediately after laying the turf, water it thoroughly. Check that the soil underneath the turf is damp to be sure you have given it adequate water. PRACTICALITIES Within a few days, pull up a corner of the turf. You should see that the roots have started to establish and knit into the soil. 67 CASE STUDY 8 Deck with meadow LOCATION Inner-city courtyard garden JAMES SAYS . . . biodiverse area. This is an ideal approach for someone who wants INSTALLATION METHOD Native perennial wildflower turf. to enjoy their garden but does not have the time SPECIFIC CHALLENGES Choosing the right materials for to maintain it. The meadow becomes an integral the build to enhance the quality of the wildflowers. AREA 6 sq m (7 sq yd). part of a small garden and is likely to provide PL PURPOSE To add biodiversity to an otherwise non- E A small backyard garden combining wildflowers, decking and a hammock a great deal of interest. Should the owner be inspired to take things further, there would be opportunities for enhancement with plugging and bulbs. Installation It is amazing to see how layering a design of wood and wildflowers has created a garden that looks more spacious than it really is. While in most cases the hard landscaping would make for an anti-wildlife environment, the wildflowers will encourage pollinators into the garden. SA The materials chosen are of great importance in this design. The use of natural wood for the walls and decking means there is more heat absorption available compared to that allowed by stone or brick, so this small space is protected from too much transpiration and evaporation. Small beds were defined around the deck and a wooden bench and hammock were added to create a relaxing, immersive environment. Success of the wildflower meadow M For city-dwellers who work full time and have only a small back-yard space, the idea of creating a green oasis is appealing but rarely achieved. Lack of time for maintenance and a desire for seating space outside leads to many a back yard being concreted over with the addition of patio furniture and a few pots. Garden designer Helen Elks Smith wanted to inspire the city-dweller with this particular show garden to demonstrate how a structured space can still provide a green corridor without requiring a great deal of maintenance. 140 HOW TO MAKE A WILDFLOWER MEADOW Opposite: Immersive seating is an integral element when using wildflowers in a structured garden design. Above: Layering with hard and soft landscaping gives the impression of space. Right: The use of wood aids heat absorption and reduces water loss from an inner-city garden. CASE STUDY 8: DECK WITH MEADOW 141
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