Garlic spray may be made by crushing 4 cloves and steeping in a litre of water for several days as an insecticide for vegetables and flowers. Geranium - Plant near roses, grapes and corn. Repels cabbage worm. Oil of geranium prevents red spider mite. Grapes - Planting clover increases the soil fertility for grapes.
Hyssop likewise increases the vine crop.
Horseradish - Helps deter potato bug if planted near potatoes. Can take over so keep restricted. Hyssop - Good for cabbages and grapes. Helps deter white butterflies. Good insect repellent if planted in vegetable or flower garden.