Tip of the Week

When can I plant ... ?

It's Spring, the sun is starting to shine, it is getting warmer out, and everyone is ready to get planting. The question is, when can we plant what? This Tip of the Week will address some of the plants that are cold-hardy and can be planted earlier and which plants aren't, and thus, can't be planted until the danger of the last frost has passed.

There are some annuals that are more hardy to the cold and can survive a little frost. Depending on the year and how cold it is, these annuals can typically begin being planted outside around mid-April. Cold-hardy annuals include pansies, petunias, snapdragons, and alyssum. There are some vegetables that are also cold-hardy, and include lettuce, cabbage, peas, brussels sprouts, carrots, onions, potatoes, and spinach.

Plants like marigolds, begonias, impatiens, thunbergia, and coleus are not particularly cold-hardy. It is better to wait until nighttime temperatures are higher and that it is unlikely for frost to occur. You should also wait to plant corn, beans, cauliflower, cucumber, tomatoes and squash.

If you are concerned about frost at night, Delaney's has great tools to keep your plants protected from frost, including many different types of frost covers and walls of water, which are great for protecting tomatoes. The average last day of frost for Polson is May 12th.

Stop into Delaney's if you have any questions about what can be planted and when it can be planted. We also have a great handout on when to plant which vegetables.

See you in the garden!

Frost Cover Water Wall

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Delaney's Landscape Center, Inc.

Monday - Friday 9am-5pm 

Saturday and Sunday Closed 

 40514 MT Hwy 35 

 Polson, MT 59860 

 (406) 883-2612 


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