Category: Encyclopedia

Ena Harkness

Ena Harkness

Introduction The Ena Harkness or Harkness Rose is a bright and fragrant English Rose which will make a great cosmetic addition to a garden. These plants are climbers and are usually seen growing along...

Reevesia

Reevesia

This is a genus of 15 species of evergreen trees and shrubs, originally from Asia. When cultivated indoors, R.pubescens can grow to four feet or more but will grow higher when grown outside. They...

Persea

Persea

Persea is a genus of 150 species of fruit-bearing evergreen trees. P.gratissima is a tall shrub which should be grown in a stovehouse. It will grow around 60 feet with pear-shaped fleshy fruits with...

Blechnum

Blechnum

Blechnum is a genus of greenhouse and hardy evergreen ferns. Greenhouse Species B.auriculatum, from South America grows between 1.5 and 2 feet. B.brasiliense, from Brazil is tree fern which reaches between two and three...

Catasetum

Catasetum

Catasetum is a genus of epiphytic orchids including over 100 species originating from Central and South America and the West Indies. When cultivating, you can grow them in pans and baskets, using a compost...

Peach leaf curl

Peach leaf curl

Peach leaf curl is a fungal disease which appears in peaches, nectarines and almonds. The disease will first appear appear in spring after young leaves begin to unfurl. The first noticeable sign will be...

Pea Pod Spot

Pea Pod Spot

Pea pod spot is a fungal disease affecting pea pods primarily during wet seasons. Dark spots appearing on the pods are a clear sign of the disease. To protect your pea plants from Pea...

Celtis

Celtis

Celtis is genus of around 70 species of deciduous trees and shrubs. C.australis grows to around 60 feet although it is not fully hardy in Britain. Another species, C.oxxidentalis is taller at around 80 feet,...

Cenia

Cenia

Cenia is a genus of annuals and perennials related to the Cotula genus. One species which may be cultivated in the British Isles, C.barbata produces small and numerous yellow flowers. When planting C.barbata, place...

Cephalanthus

Cephalanthus

Cephalanthus is a genus of evergreen and deciduous flowering plants which come in the form of shrubs and small trees. Although the genus includes multiple species, the most relevant for cultivation in the British...

Pulsatilla

This is a genus of 30 species of herbaceous plants from Northern Europe. They are perennial plants, best grown in an alpine house. P.alpina grows to around a foot and produces blue buds with white...

Rathbunia

Rathbunia

Rathbunia is a genus of four species of greenhouse succulent plants. They have large bushes and thin ribbed stems. R.alamosensis grows to around 10 feet, 3 inch thick stem and red flowers. R.sonorensis is...

Pediocactus

Pediocactus is a species of 6 or 7 succulent plants which are for the greenhouse. P.knowltonii has a greyish body and pale-pink flowers. The body of P.paradinei is pale-green, it’s flowers are cream and...

Ceanothus

Ceanothus is a genus of evergreen and deciduous flowering shrubs. Most bear blue flowers and You can expect the evergreen species to flower in early summer while deciduous species will flower later in the...

Cautleya

This is a small genus of herbaceous. These plants have tuberous roots. These are only hardy in mild climates. C.lutea grows to around a foot, producing narrow leaves with spikes of yellow flowers. When...

Cattleya

Cattleya

Cattleya is a genus of epiphytic orchids with around 50 species. They produce pseudobulbs with leaves and some species have clusters of waxy colourful flowers. Cattleya should be grown in pots with compost of...

Cauliflower

Cauliflower is grown as an annual. It’s growth season is short and it is usually grown in summer. When cultivating, plant in a deep, rich soil with plenty of organic matter to help retain...

Paxistima

Paxistima is a genus of six species of hardy, evergreen dwarf shrubs. P.canbyi will grow to around a foot and in summer will produce small greenish flowers. P.myrsinites can grow between a half foot...