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Native Plants for the Monarch Garden

Posted by Pam Todd on

by Stephanie Walquist

Many people want to pitch in and do their part to make sure that future generations of people can experience the wonder of Monarchs and all they represent as well as benefit from future scientific discoveries that are connected with these particular butterflies and all of the other aspects of our ecosystems.  

Here is a list which we hope will be helpful.  We are listing plants that we have available for our plant sale, but Wild Ones has an extensive list in its Wild for Monarchs Brochure.  

 

Milkweeds

Milkweeds are the absolute musts for a Monarch garden.  Without these plants, there are NO Monarchs.  Plants in the Asclepias genus are the only ones that Monarch caterpillars have evolved to eat.  They cannot eat any other type of plant (e.g. they can't eat vinca, Rose of Sharon, Coneflowers, etc).  Only milkweed.  

  • Butterflyweed
  • Rose (or Swamp) Milkweed
  • Common Milkweed

Early Nectar Plants

We are considering plants that bloom in June, which is about the earliest time you might expect to see Monarchs.  Some flowering shrubs at this time are very  helpful. It is a hard time in native gardens, but there are some plants blooming at this time.  

  • Blue-eyed Grass 
  • Ohio Horsemint
  • Pale Coneflower (very important one to have)
  • Prairie Coreopsis
  • Wild Blue Phlox
  • Wild Columbine

Summer Nectar

This part of the season is pretty easy. The milkweed blooms are also beloved by Monarchs, so if you have those planted they will receive visitations from Monarchs for nectar and for egg-laying.

  • Downy Sunflower 
  • Marsh Blazing Star
  • Michigan Lily
  • Milkweeds
  • Purple Coneflower (very important plant to have)
  • Rattlesnake Master
  • Rough Blazing Star
  • Wild Bergamot

Fall Nectar

One of the most important things outside of planting milkweed we can do is to ensure plentiful fall nectar sources for Monarchs.  They need fuel not only to fly thousands of miles but also to gain fat in order to survive hibernating in the oyamil firs in Mexico.  This migratory generation is not reproductive until after their winter diapause.  

  • Aromatic Aster
  • Ironweed
  • Joe Pyeweed
  • New England Aster (a favorite!)
  • Showy Goldenrod
  • Stiff Goldenrod 

With the addition of some of these plants as well as others that we don't carry, all of our gardens collectively can help to make a positive and substantial impact on the Monarch population.


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4 comments

  • Note that Monarch mamas prefer the small tender leaves of the milkweed plants, so you are more likely to get eggs on newly sprouted plants or the top leaves of existing ones. You need a lot of them together since a hungry caterpillar can eat all the leaves off a small plant in a few days! (but that is how it’s supposed to be). And yes, nectar sources for the adults are vital, in addition to milkweed for the caterpillars, and as you saw, they will use non-native annuals as well.

    Carolyn on
  • Oh, and how could I forget Purple Coneflower, Rattlesnake Master, Joe Pye Weed! They love those.

    Stephanie on
  • Monarchs love Tithonia, or Mexican Sunflower. Many of us who also use a lot of native plants will include that in our gardens. It’s particularly popular during migrating season when most gardens do not have much blooming. Milkweeds are usually not blooming then. What other native plants do you have for nectar during migrating season? I always have Monarchs on my milkweeds for nectar as well as for their caterpillars. You haven’t had any caterpillars? I also have Blue Mist, Goldenrods, New England Aster, Pasture Thistle, Liatris, and I always have Monarchs on those in late summer and fall.

    Stephanie on
  • I planted 3 different milkweed plants around 8 years ago, butterfly weed etc. Seldom a Monarch. Last year I planted thithonia and I had Monarchs, sometime 3 at a time over a period of 2-3 months. They preferred them to all other natives etc.

    joe on

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