United States Department of Agriculture. Division of Botany. Circular. Washington - DC

Horticultural Papers

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When to Plant Roses - All types of dormant rose-bushes can be planted. The season selected depends upon factors such as soil and climate. In heavy soils which hold much moi...

Seed Raising - Seed raising is the simplest method of plant propagation. Its success depends on the type of soil and the position of the seedbed. The capacity of the...

Furniture Beetle - The furniture beetle (Anohium punctatum) infests pine timbers, and shelving, flooring and furniture may he attacked. Willow. maple, beech and certain ...

Growing Citrus Trees from Pips - The pips of Oranges, Lemons, Grapefruits or Tangerines are best planted in spring. Put three pips of one kind in each 3-inch pot of damp compost, abou...

Soil for Groundcovers - Ground covers which grow well create their own humus in time and so continue to flourish, but, if the plants appear to be suffering from malnutrition,...

Interior Design - Using Colour - Using colour in interior designing can transform an otherwise dull, lifeless space into some thing very special. By following our guidelines below, yo...

How to Pick Flowers - Do not gather flowers without the aid of a good pair of secateurs or sharp flower scissors. Some stems are very tough and you can do a lot of damage p...

Mulching Roses - Do not spread compost or old farmyard manure around rose-bushes in winter because this keeps the ground cold and wet. Instead, use it as a summer mulc...

Vine Moth - Caterpillars of the vine moth (Phalaenoides glycine) are one of the most common pests of the grape vine, and if allowed to remain unchecked may seriou...

United States Department of Agriculture. Division of Botany. Circular. Washington - DC

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