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(Journal of the RNZIH): December 2006, Vol. 9, No. 2, P. 26-29

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(Journal of the RNZIH): December 2006, Vol. 9, No. 2, P. 26-29 Book Reviews Hebes, A Guide to Species, Heliohebe and Leonohebe. The Tom Sauceda look at hebes in Hybrids, and Allied Genera author shows how New Zealand’s North America. Hebes can only By Lawrie Metcalf, published by climate plays its part – subtropical be grown in gardens in California Timber Press Inc, The Haseltine in the far north through to temperate or the Pacifi c Northwest, and do Building, 133 SW Second Avenue, in the far south. It is surrounded particularly well near the coast. Suite 450, Portland, Oregon, USA, by oceans which give a much more Elsewhere it is either too hot in 2006, 260 pages, ISBN-13: 978-0- even climate than experienced in the summer or too cold in winter, or 88192-773-3, ISBN-10: 0-88192- UK. In the section ‘Where Hebes both; there hebes are being sold 773-2. are Found’ Lawrie points out that as pot plants. Claudio Cervelli hebes are found in all environments describes hebe production and throughout their native land, from use in a wide variety of climates seaside to mountainside. But in in Europe. Melanie Kinsey says very few places will there be a great that hebes have been grown in variety of hebes, as most hebes are Australia for many years, especially local in their distribution. Indeed in Victoria and New South he states that ‘…it is amazing how Wales. They are much used for far one may travel in New Zealand landscaping and warrant their own without observing a single hebe in section in many nurseries. the wild’. Chapter 3 deals with the cultivation Lawrie looks at each habitat in of hebes. You would regard turn describing its characteristic growing hebes in their native land hebes. Thus Hebe elliptica is as easy, but Lawrie points out the found growing on the coasts of traps for the unwary. Hebes bought the South Island. The large river as a tight ball, if left to their own valleys within mountain ranges have devices, become leggy, so they do I bought my fi rst hebe in 1980, Hebe odora and Hebe subalpina. need regular pruning and dead- and my interest soon spread to In alpine grasslands the whipcord heading. Hardiness is rarely an other New Zealand plants. So I hebes grow; while Hebe vernicosa issue in New Zealand, as its winters soon bought a second hand copy occurs in the forests of the Nelson are relatively mild, compared to the of Lawrie Metcalf’s The Cultivation area, and the grey-leaved Hebe UK. They appreciate good drainage of New Zealand Trees and Shrubs pinguifolia is an inhabitant of the dry and a top-dressing of mulch, and (republished in 2000 as New mountain ranges to the north-east do well in either sun or semi-shade. Zealand Trees and Shrubs). This of the South Island. Hebes grown in containers need has been a constant companion, Next he describes the features good drainage, feeding with a with its mixture of horticulture of Hebe: the variation in size, slow-release fertiliser, and a yearly and botany, presented in a clear, the arrangement of leaves, the potting on, or root pruning. Those thoughtful and comprehensive prominent terminal leaf bud, and grown in open ground require much way. There was the pleasure of the presence or absence of a less attention, but watering might anticipation when I heard that Lawrie gap (sinus) at the base of the leaf be necessary in dry periods. Any was proposing to write a book on bud. Some drawings to illustrate fertiliser should be applied to the growing hebes, the fi rst by a New these points would have been surface then worked into the soil, so Zealander. useful. The related genera of that it is available to the plant. The book describes more than 365 Heliohebe, ×Heohebe, Parahebe Chapter 4 covers the propagation species, subspecies, varieties and and Chionohebe are described. of hebes. They grow readily from hybrids of Hebe and related species. This is followed by sections on seed, but as hebes so easily cross- It is illustrated with 135 colour the discovery of hebes, early pollinate the result may not match photographs and 17 line drawings. breeding of hebes, and fi nally expectations. Semi-hardwood In Chapter 1, Hebes in New the classifi cation of Hebe into ten cuttings are best taken in early Zealand, Lawrie sets the scene. informal groups. autumn, preferably from the sides He points out the premier place Chapter 2 is entitled ‘Hebes Around of the plant. Lawrie then discusses that hebes have in their native the World’. Here a number of the rooting of whipcord hebes and land, both in the gardens and Hebe Society members give their growing hebes as standards. countryside. They even have their assessment of hebe growing in Chapter 5 deals with growing own society. Hebe is the largest the UK, North America, Europe hebes in different situations in the genus of fl owering plants in New and Australia. Tony Hayter looks garden. He considers how the Zealand, with more than 100 at hebe growing in the UK, where habitat that a hebe grows in shapes species – although various parts hardiness, the Hebe Society and its character, e.g., Hebe odora have been separated into Parahebe, the plethora of new hebe cultivars grows well in wet soils, but has to Chionohebe, and controversially into are mentioned. Neil Bell and withstand high moisture loss due to New Zealand Garden Journal, 2006, Vol. 9(2) 26 strong winds, and Hebe pinguifolia intriguing name; it’s similar to Hebe aimed to deliver a range of scientifi c has waxy glaucous leaves to cope ‘Carnea’. papers, an interactive computer- with dry conditions. The author Chapter 9 covers the Hebe based key for the identifi cation of shows which hebes are suitable relatives: Heliohebe (the paniculate species, and an illustrated guide. for hedges, rock gardens, ground hebes, Heliohebe hulkeana, H. The guide covers the identifi cation, cover, dry places, shady places, lavaudiana, H. raoulii and H. classifi cation and biology of Hebe coastal areas, and damp conditions. pentasepala, and their hybrids and the closely related genus Chapter 6 is about the pests and Heliohebe ‘Fairfi eldii’ and H. Leonohebe. It describes 88 species other problems, and how to deal ‘Hagley Park’), ×Heohebe (crosses of naturally occurring Hebe and with them. Fortunately hebes don’t between Hebe and Heliohebe), fi ve of Leonohebe (L. cheesemanii, have too many problems; the key Parahebe and Chionohebe. The L. ciliolata, L. cupressoides, L. is to have healthy hebes. Insect book concludes with a glossary and tetrasticha and L. tumida), but no pests include aphids, spittlebugs, index. horticultural forms. Each plant is leaf-rolling caterpillars and the This book is a worthwhile addition illustrated with between six and Hebe gallery fl y – the last one to those already published on 13 colour photographs; these occurs just in New Zealand. Next hebes. The range of topics covered show the whole plant, branchlet, come the fungal diseases, downy is wide. The text is clear and leaf bud, leaf, infl orescence, mildew, fusarium wilt, phytophthora comprehensive, the photographs fl ower and capsule. The authors root rot, and septoria leaf spot good and useful. I will be sure to describe each plant in detail – Lawrie outlines the methods of keep it within easy reach. including: habit, branches, leaf controlling these. Lastly he lists the Reviewed by Tony Hayter bud, leaves, infl orescences, bracts, physical problems that can affect fl owers, pedicels, calyx, stamens, ([email protected]) hebes; drought, frost damage, poor ovaries, capsules and seeds. fl owering, wind scorch and rabbits The Hebe Society (UK) The distribution and habitat are etc. Drought is more of a problem (www.hebesoc.vispa.com/index.html) then given, followed by notes on for plants in containers, so vigilance We thank Tony Hayter for his its relationship with other hebes. is needed. To prevent frost damage permission to reproduce a version Finally the etymology (origin of the mulching and a protective cloth of his review originally published name) is described. help. Lastly, poor fl owering is in Hebe News, 2006, Vol. 21, No. 3. The book is in three parts: A – a more complex problem with a general chapters, B – identifi cation, number of possible causes. Lawrie’s book was also reviewed in The Plantsman (published description and nomenclature of Chapter 7 is the largest and deals by the RHS), Vol. 3, Part 3, in each plant, and C – appendices, with Hebe species and associated September 2006. glossary, references and an index. cultivars. The species are arranged In the Introduction the authors point alphabetically, which makes fi nding out that Hebe is New Zealand’s a hebe very easy. However this An Illustrated Guide to New largest genus, and is particularly arrangement does not group related Zealand Hebes conspicuous in the subalpine and species, which makes comparisons By Michael Bayly and Alison Kellow, alpine regions. Hebes occupy a more diffi cult. The description of published by Te Papa Press, PO wide range of habitats, from the each hebe starts with its particular Box 467, Wellington, New Zealand, coasts to the mountaintops, and characteristics, and its relationship 2006, 388 pages, 28.5 × 20.5 cm, have a wide range of forms, from to other hebes, and may include ISBN-13: 978-0-909010-12-6, whipcords with tiny leaves to large- notes on the various forms ISBN-10: 0-909010-12-9. leaved shrubs. Many of the species available, the plant’s history, and are similar in appearance, and can its habitat. Each entry concludes be variable in form, which has given with a detailed description and hebes a reputation as a diffi cult notes on its distribution.
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