Host + Nectar = HosNec
Many times, after a two hour butterfly gardening presentation, four exhibits and 196 slides, the final question most often asked is, "What one plant should I buy that will get me started."
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The answer I always give is Butterfly Weed, Asclepias tuberosa.
It's a hardy perennial which is not only a host plant for the monarch caterpillar, but is also a good nectar plant for many other butterflies.
It's two-two-two plants in one.
For the small garden, using this type of plant which I have dubbed, HosNec, is ideal.
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For butterfly neophytes, I should explain that each type of butterfly has a "preferred" plant on which it will lay its eggs. Monarchs lay their eggs on types of milkweed. The Pipevine butterfly lays its eggs on Pipevine. These plants are called host plants as they provide nutrition for a growing caterpillar, also called a larva. If the butterfly lays its egg on the wrong plant, the caterpillar will likely starve to death.
Nectar plants would seem to be easy to find. Almost every hardware, grocery and nursery is filled with blooming plants in the spring. Butterflies however, are picky feeders and definitely prefer certain flowers.
You can now start to see that trying to find a "HosNec," combination host and nectar plant, starts to become a challenge for any gardener.
Here is my list of HosNecs to jump-start your garden this year.
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Butterfly Weed, Asclepias tuberosa
Host - Monarch and Queen butterfly
It's number one on my list because it takes zero maintenance and is a nice medium size. Note - it will take about three years before it grows to a decent size, so you might want to spend a little more and buy a good size plant when you start. You can start it from seed if money is tight. |
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Swamp Milkweed, Asclepias incarnata
Host - Monarch and Queen butterfly
Another nice perennial in the garden with a pretty flower. You can cover it with a plastic container in the spring to encourage it to send up shoots for early migrating monarch butterflies. |
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Tropical Milkweed, Asclepias currasavica, annual
Host - Monarch and Queen butterfly
An annual which is worth the extra work of starting it from seed each year. Monarchs seem to prefer this blossom for nectar in the fall and also seem to prefer it as a host plant when it's available. |
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Clover, common white and red
Host for Sulphurs.
Not a traditional garden plant, but if your yard does seem to have lots of clover, that's good for the butterflies. It's maddening to me that at times, I'll follow a butterfly from my carefully tended garden, over to the school yard and watch it nectar on the playground clover. |
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Clover Prairie - Petalostemon
Host - Dog Face butterfly
I have found that this a difficult plant to grow. It probably prefers neglect and poor soil conditions - just the opposite of what I usually provide. |
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Dames Rocket - Hesperis matronalis
Host - Cabbage White
This is a great nectar plant during spring and early summer. People always want to know the name of this beautiful flower. |
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Ironweed
Host - American Lady
This host listing is a bit questionable, but I have seen it listed in some places. It gets over six feet tall, so it will probably need staking. |
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Kale
Host - Cabbage White and possibly Checkered White butterfly
It's part of the wild mustard family, but is more mangeable and has continuous blue-green foliage. The yellow blossom is very attractive to many butterflies. I've seen as many as thirty larvae on one plant. |
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New England Aster
Host - Pearl Crescent and Silvery Checkerspot
An easy hardy perennial for any garden. It flowers in the fall and is usually covered with butterflies in September. You can propagate it by division or just dig up the new seedlings each spring. |
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New Jersey Tea - Ceanothus americanus
Host - Mottled Dusky Wing
Has a small blossom visited by some butterflies. |
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Peegee Tree Hydrangea
Host - Spring Azure
A good nectar plant and the Spring Azure also uses the unopened flower bud as a host. |
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Rudbeckia - many varieties
Host - Gorgone Checkerspot & Silvery Checkerspot
There are many beautiful varieties of this species, although I have never found a larva on this plant. |
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Salvia - Lady in Red, annual
Host - Spring Azure
The Spring Azure lays eggs on its unopened flower buds. It's a great nectar plant for butterflies and hummingbirds. |
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Spicebush - Lindera benzoin
Host - Spicebush butterfly
The spice bush has a pretty yellow blossom in early spring which butterlies will visit.
It also makes a nice residential bush instead of the traditional Yew. The larva is truly magnificent and easy to spot on Spicebush as they fold up the leaves to hide inside. |
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Globe Thistle
Host - Painted Lady
Globe thistle is a domesticated variety of their wild cousin. |
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