Horticulture

Latest blog stories connected with horticulture at the Royal Botanic Garden Edinburgh

Feb 092017
 
Prune and support

The season of gales and heavy rain can conspire to unseat climbing plants from their supports. Take a pair of secateurs and reduce the overhang growth which can be considerable and weigh heavily especially following rain. As in the attached image of Schisandra plena on a south facing wall. This weight puts any supporting wires […]

Feb 062017
 
Flash frost

The forecast last night was for an overnight frost that would clear quickly. How right the forecast was, bright sunshine soon warmed the ice crystals with damaging consequences to the Viburnum bodnantense cultivars. The attached image shows the rapid browning and discolouration that occurs to the open flowers when direct sun expands the frozen ice […]

Feb 012017
 
A Japanese Rhododendron

Rhododendron dauricum, in flower since mid-January. A good show of purple flowers on this native to east and north Asia, the seed from which this plant grew was collected on Hokkaido Island, Japan. A hardy species that is one of the first of the genera to flower, it does rely on a frost free winter […]

Feb 012017
 
A collaboration between RBGE and Edinburgh College of Art

On 1st February 2017 an exhibition opens in the Library Foyer at RBGE displaying work which was produced through association between RBGE and Edinburgh College of Art and inspired by our research collections.  This exhibition will run until the first week of March.  Context In October 2016, the Edinburgh College of Art 2nd year Illustration […]

Jan 242017
 
Rampant Ivy

Two images, Ivy, Hedera helix covering both plants. The pine trunks are sturdy and it will take several seasons to smother these. The Viburnum is different, colonised at the same time the two are totally different in their approach and growth habit. The Ivy in the Viburnum should be removed with urgency; the vigorous evergreen […]

Jan 172017
 
Prune and support

The season of gales and heavy rain can conspire to unseat climbing plants from their supports. Take a pair of secateurs and reduce the overhang growth which can be considerable and weigh heavily especially following rain. As in the attached image of Schisandra plena on a south facing wall. This weight puts any supporting wires […]

Jan 112017
 
Save a seed pod

The long arching seed pods of Glaucium flavum are splitting lengthways into longitudinal sections. The seeds long gone, now just sections of the pithy packaging remain within. Found growing along the shoreline with a wide geographical distribution, Europe, North Africa, SW Asia. The specimen at the Garden is in the Scottish native bed where the […]

Jan 102017
 
Fresh and golden start to the year

During the short days it is good to have flowering plants in the garden; Lonicera myrtillus is a low growing deciduous shrub. The fresh yellow tubular flowers hang down from the previous year’s growth. Shy to flower, they open in pairs with immature flower buds protected within the calyx.  Seasonally, flowering can be erratic, there […]

Jan 042017
 
Review of the year 2016

January 2016 dawned with a frost, only – 0.4°c, but still a frost. This, following the wettest month for more than a century. December 2015 was also the warmest since 1910 with an average UK temperature of 7.9°c compared to the normal average of 4.1°c for the month of December. Temperatures tumbled as we approached […]

Dec 202016
 
The browns have it

As a base layer, the colour brown dominates at this time of year. Ideal as a foundation layer to the glitz of Christmas. Stephanandra tanakae has fine warmth of colouration in the receding leaves. The sterile sepals of the Lacecap Hydrangea, H. macrophylla ‘Lilacina’ remain throughout winter protecting the dormant buds beneath. Now brown, in […]