April is when the garden starts showing off.
After a long winter, this is the moment everything begins to shift. Flowering trees come into bloom, early perennials wake up, and the garden center starts filling with the plants people wait all year for. If you’re wondering what to plant in April in Zone 6a, these are the varieties having their moment right now, and they might just be what you were looking to bring home.
Flowering Trees That Steal the Show
Royal Star Magnolia leads the season with soft, star-shaped white blooms that appear before the leaves, giving the tree a light, almost glowing presence. It’s one of the most elegant ways to welcome spring.
Purple Prince Crabapple and Royal Raindrops Crabapple follow close behind, bringing bold color and structure to the landscape. These varieties are known for their vibrant blooms and strong presence, making them ideal focal points in both traditional and modern designs.
Kousa Dogwood offers a slightly later bloom, extending the season with layered branching and soft white flowers that feel both refined and timeless.
Shrubs That Carry the Season
Judd Viburnum is one of the most loved for a reason. Its soft blooms and incredible fragrance make it a standout near walkways and outdoor living spaces.
Sunrise Forsythia delivers that unmistakable early burst of yellow, while Dwarf Fothergilla brings a more understated texture with soft, bottlebrush-like blooms.
For structure and color later in the season, Spilled Wine Weigela and Red Chokeberry offer strong foliage, seasonal interest, and excellent performance in Midwest landscapes.
Karen Azalea, a broadleaf evergreen, rounds out the mix with early blooms and year-round presence, making it a versatile addition to foundation plantings.
Perennials That Signal Spring Has Arrived
Frostkiss Anna’s Red Lenten Rose is one of the first perennials to bloom, bringing rich color and texture to shaded areas before most plants even wake up.
Festiva Maxima Peony begins to emerge, hinting at the fullness and fragrance to come later in the season.
And Violet Pinwheels Phlox spreads low and wide, creating a carpet of color that softens edges, walls, and the front of garden beds.
These are the plants that bridge the gap between early spring and everything that follows.
Cold-Hardy Color for Right Now
Pansies are one of the best annuals to put in the ground or containers in April. They thrive in cooler temperatures and bring immediate color to porches, patios, and entryways when most summer annuals are still weeks away.
A Few April Planting Notes (Zone 6a)
April is one of the best times to plant in Zone 6a.
Trees, shrubs, perennials, and cold-hardy annuals all establish well in these conditions, especially as soil temperatures begin to rise. It’s also the ideal time to prep beds, refresh mulch, and set your landscape up before the late-spring rush.
A few hours outside now sets the tone for the entire season.
Stop by the garden center in Willowbrook, open Saturdays Starting April 4th, 2026.
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