Alyssum also attracts beneficial wasps and acts as a living ground cover. Sweet alyssum and marigolds, specifically, attract beneficial insects and keep weeds suppressed.
They are also said to grow very happily alongside lettuce, radishes and green (or spring) onions. While horseradish is the most commonly recommended companion plant for potatoes, other plants that are said to benefit the potato plant include green beans and peas, the brassicas (broccoli, Brussels sprouts, cabbage, cauliflower), corn, lovage, marjoram, marigolds, nasturtiums, parsnips, watermelon and delicate alyssum. One important factor is that root zones should not overlap.Īlso, just as some herbs and vegetables grow best in certain climates, some companion plants are better companions in some places than they are in others. Some are said to improve the growth in other plants by balancing the soil, and some are said to improve the flavor of vegetables, although some claims are debatable.īy the same token, companion planting certainly isn’t a “cure all” and there are some plants that should not be grown together for a variety of reasons. These reasons range from making certain plants more resistant to disease and deterring insects, to attracting insects – like ladybirds – that eat certain bugs. There are multiple reasons why certain plants do particularly well together. While not all companion planting is based on horticultural science, there are some quite significant scientific foundations for the concept.
There is absolutely no doubt that some plants grow better alongside others, and the potato is no exception.
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