In spite of how selective caterpillars are about their host plants, it is remarkable that their butterflies instinctively recall the appropriate plants on which to lay their eggs. It is not difficult to choose plants that will satisfy the needs of both the butterfly and the caterpillar once you learn which ones they each prefer.
The rewards of following this plan will be threefold. First, you will be providing both the caterpillar and its magical butterfly a lifelong home. Second, this will greatly increase the chance for butterflies to mate and reproduce right in your garden. Third, you will have the delightful opportunity to observe this fascinating process.
Keep in mind also that the female butterfly is very discriminating about where she lays her eggs, and will often spend hours choosing one specific leaf. She is very conscientious about this selection process, knowing her newborn caterpillars will depend on that particular leaf to be their food source.
So, which flowers can you begin with that will satisfy the persnickety caterpillar's appetite, and also provide the exquisite butterfly with a bountiful nectar source?
Since most caterpillars love to feed on green leaves, you may think that planting any type of green leafy plant will suffice. Not so! It is a well known fact that butterfly caterpillars have a very limited range of host plants on which they like to feed. Most, in fact, will feed on only one or two host plant species in their lifetime. There are also some species of caterpillars that depend on just a single plant for their food source. For instance, the beautiful Monarch larvae prefer only milkweed!
Listed below are three suggested plants to give you a start in creating your first true butterfly garden.
COMMON HELIOTROPE - (Heliotropium arborescens)
Heliotrope is really a very old-fashioned plant, but one that both butterflies and caterpillars love. It grows well in partial shade if you live in a hot climate. If you are in a fairly mild climate, this delightful plant grows up to four feet in height, and has a shrubby appearance. Its leaves are veined and have a darkish purple cast, making them very appealing to the caterpillar. The lush, fragrant flowers of the heliotrope range from dark violet to white in color. "Black Beauty" and "Iowa" each produce deep purple flowers. Both the vibrant colors and the nectar supply of the heliotrope are excellent attractants for the butterfly.
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