Learn when and how to plant tulips, daffodils, hyacinths, and crocuses for beautiful spring color in North Shore and Chicagoland gardens.

Watering: In hotter temperatures, water your garden frequently to keep plants happy. If no rain, water twice a week. Aim for 1 inch of rain per week at 75°F, plus 1/2 inch for every 10 degrees above. (Ex. For 85°F, aim for 1.5" of rainfall. A good sprinkler is essential.) Especially Water Evergreens: If rainfall is scarce be sure to keep evergreen trees and shrubs hydrated. Because plants such as yew and arborvitae never go completely dormant, their roots should be slightly moist to help the plant survive drying winter winds.If you start watering evergreens now they will have plenty of soil moisture around their roots before freezing temperatures make irrigation impossible. Newly planted evergreens are particularly susceptible to dry soil so make sure they get at least an inch of water a week. Soaker hoses are a great way to irrigate newly planted evergreens. The hose allows water to seeps slowly into the soil so there is no wasteful runoff and less evaporative water loss. Last Fertilizer Application: Stop feeding roses, trees, shrubs, and perennial flowers after the 15th of August. Feeding your plants too late in summer and fall encourages new growth that probably won’t survive the winter. Allow the perennials and shrubs to toughen up for 6-8 weeks before the first freezing temperatures hit. (But, definitely make that last application of fertilizer for the season before the 15th, especially if it has been 4 weeks since the last time that you fertilized!) Welcome Hummingbirds to your garden as they migrate South: Add additional Salvia and other tubular shaped flowering plants to your gardens. These are some of their favorites: Lantana, Salvia, Cardinal Flower (Lobelia), Trumpet Vine, Columbine, Phlox, Beebalm, Penstemon, Coral Honeysuckle, Rhododendron Wage War on Weeds: If you’ve been putting off weeding chores in the garden, August is the time to finally get busy. That’s because, as the growing season winds down, both annual and perennial weeds start to produce thousands of seeds that will germinate in your garden next spring. If left unchecked, these pesky invaders become extremely difficult to eliminate. The best time to weed is right after a rain when the soil is still moist. If rainfall is scarce, irrigate your garden thoroughly the night before you start your attack. You can pull weeds by hand or use a hoe. Just be sure to remove the roots. Weeds such as crabgrass or purslane quickly regenerate from any root left in the soil. As soon as you have the weeds removed, cover the area with a thick mulch of compost, leaves, or shredded bark. Plant Perennials and Shrubs: Late summer is a perfect time to plant perennials and flowering shrubs in many areas. They’ll take root during the cool, moist fall weather and be ready to bloom next spring and summer. Some good candidates to plant now include hydrangeas, daylilies, lilies, sedums, ornamental grasses, peonies and bearded iris. Just be sure you keep your new plants well watered if the weather is hot and dry. Mulching the beds also helps preserve soil moisture.   Divide Perennial Plants: August is the best time to dig and divide perennial flowers in your garden (such as hosta, Oriental poppy, lily, daylily, ornamental grasses, and bearded iris). Use a spade to lift the plant from the ground being careful to damage the root ball as little as possible. When the clump is out of the ground, use a large garden knife or spade to cut it into smaller pieces. Then, replant the smaller pieces or divisions as soon as possible. Some perennial flowers such as bearded iris and ornamental grasses have a tendency to die out in the center. When you divide these perennials cut around the centers and toss the dead tissue on your compost pile. Replace Annual Flowers: By late summer, some annual flowers may look a bit worn out. Give your pots and planters a makeover by tucking in fresh, ready-to-bloom cool-season annual flowers that will keep the color show going through the fall. Just gently pull out dead or dying annuals, mix in a bit of fresh soil, and drop in the replacement. It’s that easy! Natives: Continue adding native plants to your garden when filling open spaces. Natives and local fauna (insects, birds and animals) developed relying on each other for hundreds of years. Even adding just a few native plants to your yard will attract more native birds, animals and pollinators. Shop our native plants here. Insects: Insects are still in our gardens– good and bad! Inspect your plants for signs of pest damage and treat them accordingly. Using systemic products that last for 30 days in the leaves that are sprayed; are more Earth-Friendly because they are not sprayed as frequently killing beneficial insects. Spraying at dusk is the most Earth-friendly time to apply them; as the pollinators are back at their hives at dusk.    BioAdvanced® | Dual Action Rose & Flower Insect Killer BioAdvanced® | 3-in-1 Insect, Disease & Mite Control Ready to Spray with Hose End Sprayer BioAdvanced® | 3-in-1 Insect, Disease, & Mite Control Ready to Use with Trigger Sprayer Grub Control: It is not too late for it, even if you missed the curative application of GrubEx in April. Its relative solubility and stability in the soil are suited for extended soil residual that remains in the grub zone, especially for applications made between egg hatch (mid-July) and the second instar life stage (when grubs are less than half their adult size). For optimum curative control: (1.) Avoid mowing the lawn until the treated area has been irrigated to allow for maximum, uniform uptake into the grass plants (2.) Water-in the application within 7 day of application Repot Houseplants: If you’ve given your houseplants a summer vacation outdoors, chances are they responded by with a lot of new growth. If so, August is the perfect time to move them to a larger container with fresh potting mix. This gives the plants time to acclimate to their new pots before cool weather arrives in fall. One of the best ways to know if your plant is ready for transplanting is to check the drainage hole of the pot. If you find roots dangling out of the drainage hole it means your plant is becoming too large for its container. Select a new pot that’s slightly larger than the old one by only 2-4 inches in diameter. Always keep the top of the root area 1 inch from the top edge of the pot – remember roots grow down and out from the original root ball, never up; so never put fresh potting mix on top of the root ball. Harvest Herbs: Although herbs can be harvested throughout the summer, the oils responsible for the most intense flavor and aroma are at their peak in late summer, just before the plants flower. Clip foliage in the early morning after the dew dries, but before the day heats up. One of the easiest ways to store herbs is to rinse them under cold water, chop them coarsely, and place them in water-filled ice cube trays. Then, simply place the trays in the freezer and pop out frozen herbs as you need them.

Pollinator plants play a crucial role in maintaining healthy ecosystems by supporting the insects and animals responsible for pollination. Pollinators such as bees, butterflies, birds, and bats are essential for the reproduction of many plants, including those that produce fruits, vegetables, and seeds. By providing nectar, pollen, and habitat, pollinator plants ensure the survival of these species, which in turn supports biodiversity and contributes to food security. Without effective pollination, many plants would fail to produce the crops we rely on, highlighting the importance of incorporating pollinator-friendly plants into gardens and landscapes. Section 1 - Understanding Pollinators  Pollinators are organisms that help transfer pollen from the male part (anther) of a flower to the female part (stigma) of the same or another flower, facilitating fertilization. This process is essential for the reproduction of many plants. Key pollinators include:   Bees: Among the most effective pollinators, bees collect pollen on their bodies as they move from flower to flower.  Butterflies: These insects are attracted to brightly colored flowers and help in pollination as they feed on nectar.  Birds: Especially hummingbirds, play a significant role in pollinating flowers with deep tubes that bees and other insects cannot reach.  Bats: Certain species of bats pollinate flowers, particularly those that bloom at night.  Moths: Similar to butterflies, moths are attracted to flowers for nectar and inadvertently transfer pollen.  Other insects: Beetles, flies, and ants also contribute to pollination, though less efficiently than bees and butterflies.   Importance of Pollinators in the Ecosystem  Pollinators are essential for the health of ecosystems and human agriculture. Their importance includes:   Biodiversity: Pollinators contribute to the reproduction of over 75% of the world's flowering plants, supporting diverse plant life which in turn supports various wildlife species.  Food Production: Many crops, including fruits, vegetables, nuts, and seeds, rely on pollinators. Approximately one-third of the food we consume depends on pollination.  Habitat Maintenance: Pollinators help maintain plant communities and habitats that other wildlife depend on for food and shelter.  Genetic Diversity: By enabling cross-pollination, pollinators contribute to genetic variation in plants, which enhances resilience to diseases and environmental changes.   How Planting Pollinator-Friendly Plants Can Benefit Your Garden and the Environment Incorporating pollinator-friendly plants into your garden offers numerous advantages:   Enhanced Plant Growth: Pollinator plants attract beneficial insects that improve pollination efficiency, leading to more robust plant growth and higher yields of fruits & vegetables.  Natural Pest Control: Many pollinators also prey on pest insects, reducing the need for chemical pesticides and promoting a healthier garden ecosystem.  Biodiversity Support: Providing food and habitat for pollinators supports local biodiversity, creating a thriving ecosystem in your garden.  Environmental Benefits: Contribute to the conservation of pollinator populations, many of which are declining due to habitat loss, pesticides, and climate change.  Aesthetic and Educational Value: Pollinator gardens are often vibrant and beautiful, offering a space for observation and learning about nature's intricate relationships. Creating a pollinator-friendly garden involves selecting a variety of native plants that bloom at different times of the year, providing continuous food sources for pollinators. Avoiding the use of pesticides and offering water sources and shelter can further enhance the habitat for these essential creatures.   Section 2: Perennials for Pollinators Introduction to Perennials and Their Benefits. Perennials are plants that live for more than two years. Perennials regrow each spring from the same root system.   The benefits of perennials include:    Longevity: Perennials return year after year, reducing the need for replanting.  Low Maintenance: Once established, they require less care than annuals.  Soil Health: Their deep root systems help improve soil structure and prevent erosion.  Continuous Blooms: Many perennials bloom for long periods, providing a consistent food source for pollinators.   List of Recommended Perennials for Zone 5. 1. Echinacea (Coneflower)  Benefits: Attracts bees, butterflies, and other pollinators with its large, daisy-like flowers.Bloom Time: Summer to early fall. Care: Drought-tolerant and easy to grow in well-drained soil with full sun.  2. Asclepias tuberosa (Butterfly Weed)  Benefits: A favorite of monarch butterflies for nectar and as a host plant for their larvae. Bloom Time: Early summer to early fall. Care: Prefers well-drained soil and full sun, drought-tolerant.  3. Monarda (Bee Balm)  Benefits: Highly attractive to bees, butterflies, and hummingbirds with its vibrant, tubular flowers. Bloom Time: Mid to late summer. Care: Thrives in moist, well-drained soil and full sun to partial shade.  4. Rudbeckia (Black-Eyed Susan)  Benefits: Provides abundant nectar and pollen for bees and butterflies. Bloom Time: Summer to early fall. Care: Grows well in a variety of soils, prefers full sun.  5. Liatris (Blazing Star)  Benefits: Attracts butterflies, bees, and hummingbirds with its spiky purple flowers. Bloom Time: Mid to late summer. Care: Prefers well-drained soil and full sun, drought-tolerant. Section 3: Annuals for Pollinators Introduction to Annuals and Their Benefits. Annuals complete their life cycle in one growing season, from germination to seed production. The benefits of annuals include:     Extended Bloom Time: Many annuals bloom from spring until the first frost.  Vibrant Colors: They often offer a wide range of bright colors that attract pollinators.  Versatility: Ideal for filling gaps in perennial gardens or creating temporary displays.   List of Recommended Annuals for Zone 5. 1. Zinnia  Benefits: Attracts butterflies, bees, and other pollinators with its bright, diverse flowers. Bloom Time: Summer to fall. Care: Requires well-drained soil and full sun.  2. Helianthus (Sunflower)  Benefits: Provides nectar for bees and butterflies, seeds for birds.Bloom Time: Summer to early fall. Care: Thrives in well-drained soil and full sun.  3. Cosmos  Benefits: Attracts bees, butterflies, and beneficial insects with its airy, daisy-like flowers.Bloom Time: Summer to fall. Care: Prefers well-drained soil and full sun.  4. Tithonia (Mexican Sunflower) Benefits: A magnet for butterflies and hummingbirds with its bright orange flowers. Bloom Time: Summer to fall. Care: Requires well-drained soil and full sun. Section 4: Shrubs for Pollinators Introduction to Shrubs and Their Benefits. Shrubs are woody plants with multiple stems that can live for many years. The benefits of shrubs include:     Structure: Provide year-round structure and interest in the garden.  Habitat: Offer shelter and nesting sites for pollinators and other wildlife.  Extended Bloom Time: Many shrubs have long blooming periods, supplying food for pollinators over an extended time.   List of Recommended Shrubs for Zone 5. 1. Syringa vulgaris (Lilac)  Benefits: Fragrant flowers attract butterflies and bees.Bloom Time: Spring.Care: Prefers well-drained soil and full sun.  2. Buddleia (Butterfly Bush)  Benefits: Attracts butterflies, bees, and hummingbirds with its long, spiky flowers.Bloom Time: Summer to fall. Care: Needs well-drained soil and full sun.  3. Clethra alnifolia (Summersweet)  Benefits: Highly attractive to bees and butterflies with its fragrant white flowers. Bloom Time: Summer. Care: Prefers moist, acidic soil and partial shade to full sun.  4. Ribes sanguineum (Flowering Currant)  Benefits: Early spring flowers provide nectar for emerging pollinators. Bloom Time: Early spring. Care: Thrives in well-drained soil and partial shade to full sun. Section 5: Trees for Pollinators Introduction to Trees and Their Benefits. Trees are large, woody plants that can live for decades or even centuries. The benefits of trees include:     Canopy: Provide shade and reduce temperatures, creating a microclimate for plants and wildlife.  Habitat: Offer food, shelter, and nesting sites for a variety of pollinators and other wildlife.  Long-Term Impact: Contribute to carbon sequestration and improve air quality.   List of Recommended Trees for Zone 5.  1. Cercis canadensis (Eastern Redbud)   Benefits: Early spring flowers attract bees and other pollinators.  Bloom Time: Early spring.   Care: Prefers well-drained soil and full sun to partial shade.    2. Acer rubrum (Red Maple)   Benefits: Early blooming provides nectar for bees.Bloom Time: Early spring.Care: Thrives in a variety of soils, prefers full sun to partial shade.    3. Malus (Crabapple)   Benefits: Flowers provide nectar for bees; fruit attracts birds and mammals.Bloom Time: Spring.Care: Prefers well-drained soil and full sun.  4. Tilia americana (American Linden/Basswood)   Benefits: Fragrant flowers are highly attractive to bees.Bloom Time: Early summer. Care: Thrives in well-drained, fertile soil and full sun to partial shade. Section 6: Creating a Pollinator-Friendly Garden Combining Perennials, Annuals, Shrubs, and Trees for Maximum Impact. A well-designed pollinator-friendly garden includes a diverse mix of perennials, annuals, shrubs, and trees. This diversity ensures a continuous supply of nectar and pollen throughout the growing season and provides various habitats for different pollinators.    Perennials: Form the backbone of the garden with their long-lasting presence and reliable blooms. Position them in areas where they can establish and return year after year.  Annuals: Fill in gaps and provide bursts of color. Plant them in between perennials and shrubs for a continuous display of flowers.  Shrubs: Add structure and depth. Place them strategically to create layers and provide shelter and nesting sites. Trees: Offer shade and a vertical dimension to the garden. Choose trees that bloom at different times to extend the foraging period for pollinators.   Design Tips for a Visually Appealing and Functional Pollinator Garden. Creating a garden that is both beautiful and beneficial for pollinators involves thoughtful planning and design:    Layering: Arrange plants in layers, from tall trees and shrubs at the back to shorter perennials and annuals in the front. This creates a visually appealing depth and mimics natural habitats.  Color and Texture: Use a variety of colors and textures to attract different pollinators. Bright, vibrant flowers are particularly attractive to butterflies and bees.  Bloom Times: Select plants with overlapping bloom times to ensure a continuous food supply. Include early, mid, and late-season bloomers.  Group Planting: Plant in clusters rather than singly to make it easier for pollinators to locate the flowers. Large patches of the same plant are more attractive to pollinators than isolated specimens.  Pathways and Seating Areas: Incorporate pathways and seating areas to allow you to enjoy the garden up close. This also provides convenient access for maintenance.  Native Plants: Focus on native plants that are adapted to the local climate and are more likely to attract native pollinators.   Conclusion: Recap of the Importance of Planting for Pollinators  Pollinators are essential for the health of our ecosystems and the production of many of our crops. By creating gardens that support pollinators, we contribute to biodiversity, enhance food production, and create beautiful, thriving environments.  A successful pollinator garden includes a diverse selection of perennials, annuals, shrubs, and trees. By choosing plants that bloom at different times, providing a range of flower shapes and colors, and including native species, you can support pollinators throughout the year. Jennifer Brennan Chalet Horticulturist