According to David Coton, that is the question asked by the Horticultural Trades Association's National Garden Gift Vouchers Scheme, who want to increase awareness of the positive contribution plants can have on people's lives.
Heating will be a deciding factor on the variety of plants you are able to grow in a greenhouse and the number of plants that can be kept over winter.
The temperature during the winter shouldn't dip below 10C and throughout the year the daily variation shouldn't be more than 10C, this can be controlled by a combination of heating, ventilation and insulation.
To heat your Greenhouse you have a choice of tree main types of heater that you can use if it is a domestic greenhouse. Of course all have their advantages and drawbacks and below I have listed these in an easy to follow list.
It's important to know about them, this way you will know which one will suit your needs and situation perfectly. The three types available are Electricity, Gas and Paraffin.
There are also renewable energy sources available to use which I will go through below the list.
Solar energy or wind turbines may become a consideration in the future but at the moment they are far too expensive due in part to the poor heat retention qualities of a greenhouse.
Spent cooking oil is used occasionally commercially but is messy, smelly and not really suited to small scale production.
Looking for some advice on how to decorate your garden for halloween? Nathan James Dodd has some great ideas to help you create a horror themed garden to scare your neighbours and any trick & treaters who come to your door.
October is a busy time in the garden and also in the pond. Before the weather starts to change, Dan Everton thinks it important that you get your pond ready for the winter months by giving it some tender loving care.
In October, Nathan James Dodd is getting the garden prepared for the onset of winter and he's also planning ahead for how it will look next spring. Here are some jobs that can keep you busy in a month that marks the beginning of autumn.
Spring flowering bulbs brighten the garden from when snow is on the ground right through to the sunlit early summer. Here is David Hall's guide to achieving a marvellous display of colour to herald in the new year.