April Tips for Pnw gardeners



Sow or plant hardy annuals in bare spots or where spring bulbs will die back. Some colorful options that will also attract pollinators include alyssum, bachelor's buttons, California poppies, calendula, and fragrant sweet peas.

Create some colorful Spring Containers, mixing annuals and perennials for variety and longevity. Be sure to combine plants with similar light and water requirements! 

Make sure you have the right tools for the job. Swansons' employees share their Favorite Gardening Tools for jobs both big and small.

Slugs can be a real problem in spring here in the PNW. A few tricks to try: place copper tape or crushed eggshells around plants as a physical barrier, use a natural product like Sluggo, or go out at night and mount a "slugnapping" campaign!  





Plant cool-season veggies and fruit now: try strawberries, onions, peas, lettuce, broccoli, carrots, and beets.

It’s tomato time! Our 2019 varieties are starting to come in now. Remember, warm-season veggies like tomatoes and squash can be planted now but are too tender to be outside without protection. Learn more about Growing Warm-Season Vegetables in the PNW.

Keep basil inside on a sunny windowsill or in the greenhouse until night temperatures warm up to the 50's (May-June at the earliest).

Need some help planning and prepping your spring edible garden? Check out this helpful blog post: Plan & Prep your Edible Garden.




In spring, most houseplants begin to grow more actively. Start applying a fertilizer formulated specifically for indoor plants. Be sure to follow the directions on the product label for best results.

Don’t have a green thumb? We can help! Try these 5 Easy Houseplants.

Looking for plants that can thrive in low light conditions These are the best 9 Low-Light Plants for Your Home or Office.

Learn more about the Proper Care and Feeding of Indoor Plants and find lots more articles on choosing and caring for indoor plants on the Indoor Gardener section of our blog.





Do you need a lawn makeover? The best time to sow lawn seed is typically April-May, so start planning and preparing your lawn now. See Step by Step Lawn Renovation for more detailed information, and remember you can always ask #heyswansons for help!

As long as your lawn is not soggy, you can apply a lime product like Super Sweet now to balance the pH of your soil.

If it's growing, you can mow it! Set your mower to medium height to avoid cutting off more than 30% at a time. Remember, the height of the grass generally equals the depth of the roots, so keeping grass a little longer helps build a strong support system.

See our Lawn Calendar for more monthly tips to keep your lawn lush and healthy.


Plant Care Library

At Swansons, we’re dedicated to growing the smartest, hippest, and healthiest gardeners in the Pacific Northwest. Below is a library filled with pages on what we grow in Seattle. Just remember, we were all novices once, and no one knows it all. So enjoy, keep learning, and happy gardening!

Looking for more Pacific Northwest gardening resources? Here is a list of our community partners.