Is it too early to plant liatris bulbs in Western New York?

by Connie Oswald Stofko Here’s a question I received from a reader early last week when the weather became warm and sunny: Hello. Can I plant liatris bulbs now? Or should I wait until the soil warms?  Thank you. Linda in Tonawanda In case you’re not familiar with this plant, here’s a little bit of information about liatris. It blooms in summer with large flower spikes that attract butterflies. The plant is drought-resistant, so it doesn’t need much care. It…