These perennials bloom during the early growing season and are a welcome sight after a long-cold winter. Mix these spring flowering perennials in with your summer and fall-blooming flowers for a show of sequential blooms all gardening season. These early blooming perennials can also help pollinators get food before the trees start blooming and also attract pollinators to your fruiting trees. If you are interested in adding more pollinator friendly plants, see two garden designs that can help you plan your new garden spaces.
Bergenia a.k.a Pigsqueak
Bloom time is April and May. This plant is called Pigsqueak because if you rub two leaves together it makes a squeaking sound. Bergenia love shade or dappled sunlight and a great alternative to the hosta.Hellebores
Best to plant these in raised beds, on slopes, or front of the garden to see their downward facing blooms, Hellebores can bloom very early spring into mid-May. Bleeding Heart
These hearts bloom mid-May to June. Heart-shaped pink flowers that dangle from outstretched stems. Cool-moist areas are best with morning sun.Ajuga a.k.a Bugleweed.
These flowers bloom early May through June. It’s an aggressive spreading ground cover that helps choke out weeds. Commonly used for hard-to-grow shady area, erosion control or under Black Walnut trees since it’s resistant to Juglone.Fernleaf Peony
Deep red large flowers grow on fine-textured fern-like foliage that grows in a 1′-2′ foot mound. Provide 6 hrs of sun and they will bloom in late-spring. May need stem support to prevent drooping. Forget-Me-Not
They start blooming in May and can re-bloom later in the season. Pink or blue flowers of Forget-Me-Not create a blanket of small flowers over a short 5 inch to 12 inch plant. Used as a ground-cover in landscapes, this perennial is biennial and reseeds itself. Deadhead blooms to prevent re-seeding if you want to inhibit spreading. Squaw Weed a.k.a Round-Leaved Ragwort
Blooms late-spring to early-summer. Excellent ground cover with sea of long-lasting yellow flowers. Will flower in full sun to part shade and spreads slowly and easy to contain. Columbine
Blooms mid-spring. Blue, pink, or purple bell-shaped flowers great for part shade and woodland areas. Native Columbine has smaller red and yellow flowers that tend to have slightly more nodding in the flowers. Sweet Woodruff
Forms thick mats of foliage with small white flowers blooms April and May. Best grown in moist, shady areas. Can handle dry shade but won’t grow as prolific. Poppy
Poppies can bloom in cooler weather April through June. A shorter lived plant that easily reseeds itself for year-after-year blooms. These delicate flowers love growing in full-sun. Geum
This is a member of the rose family that loves full morning sun and afternoon shade. Mid-spring flowers perch atop fuzzy stems. Long-blooming flowers that butterflies adore! Dead-head old flowers to push more blooms.Cushion Spurge
The tiny yellows flowers are insignificant but the bright yellow bracts surrounding the blooms is what makes this cushion-shaped plant a lovely spring perennial. The leaves will also turn orange in the fall. Grow in full sun to avoid legginess. As part of the Eupohorbia family, it can handle drought once established.Lungwort
This early spring bloomer is a low growing plant with fuzzy white speckled leaves. Creates a clump of textured foliage with flower stalks that rise above the foliage. Great for shady locations and deer resistance.Vinca Minor
Prolific bloomer with deep lilac color flowers. Vining habitat that creates a blanket of gorgeous glossy dark leaves. Shade tolerant but produces more blooms in mostly sunny locations.Primerose
These extremely colorful flowers that come in multiple colors will bloom early to mid spring. They are perfectly happy blooming before deciduous shrubs leaf out. Great for moist, partly shady garden areas!
When searching for perennials to enhance your landscape this season, be sure to keep an eye out for the ones mentioned above, as well as the additional spring flowering perennials listed below in our nursery.
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It’s hard to get started with designing a landscape and perennial gardens but we are here to help!
Perennial Plant Walk and Talk
June 23, 2022
5:30 pm - 6:30 pm
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Walk and talk with Johanna, our Perennial Manager and Landscape Designer, on spring though fall color and texture provided by beautiful perennial plants.
Top 8 ‘Tough as Nails’ Perennials
When it comes to plants, reliable is a characteristic we love! This is our top 8 ‘tough as nails’ perennials that will come back every year and tolerate a wide array of conditions. We would like to mention, even though they are tough, it doesn’t mean they can be completely neglected of nutrients, sun, and water. These plants, after their first couple years of more watchful care, will definitely catch your attention with their beauty, tenacity and reduced level of care once established.
Yarrow
Yarrow Vintage Rose with Salvia in the background.
Achillea millefolium is a Native American plant. Yarrow adds light texture to a garden and one of the best low care perennials for adding a burst of color. It grows tall ( can be up to 3′-4′) with showy clusters of fragrant white, red, pink, or yellow flowers, depending on the variety. It does well in hot and dry spots and resistant to pests. Their blooms typically last from early summer through early fall and are a wonderful cut flower!
Feather Reed Grass
Feather Reed Grass
Calamagrostis x acutiflora is an upright clump forming ornamental grass, with multiple varieties, that adds architecture, movement, and the seed heads add floating fluffy textures in the fall through winter. It does best in moist, rich soil but can handle poor, dry soils as well. This is the perfect grass for urban areas and tough to grow sunny areas. In addition to its high tolerance for multiple conditions, it is pest and disease resistant. Prune down foliage to a couple inches above soil before new growth in the spring and add organic fertilizer if it’s in poor soil if you want to give it a boost and that’s it!
Phlox
Phlox paniculata Coral Flame.
There are so many varieties of phlox it’s impossible to describe them all but they come in low, medium, and tall growing forms to fit in just about any garden. It’s one of the most versatile and colorful plants that have been used in gardens for over 100 yrs and for good reason. Most are long-blooming, often fragrant, and tall varieties don’t require staking. They prefer moist, rich soil and full sun, but depending on the variety, some don’t mind poor, rocky soils or part-sun. Flower colors range from pure white to red, with nearly every shade of pink, lavender, salmon and purple and some multi-colored petals. With proper planting, you can avoid most disease issues, such as powdery mildew.
Daylily
Handwriting on the Wall Daylily.
Hemerocallis means “beauty for a day”because daylily buds blooms only one day but has successive blooms over 4-5 weeks. Some daylily varieties are labeled rebloomers since they perform a couple times in the season with successive blooms. The Daylily is considered “a perfect perennial” because it’s drought tolerant, can grow in almost any kind of soil, can grow in full or part-sun, offers an array of early season to late season blooming varieties, has showy vibrant colors, are pest and disease resistant, and attracts birds, bees, and butterflies. Can be grown on hillsides, around the city, or in a traditional garden with very little care needed.
Sedum
Pure Joy Sedum with coneflowers.
Sedum, also called stonecrop, have thick succulent like leaves that form clusters of small colorful flowers (white,red,pink,or yellow) in late summer and fall that bees love! There are low-growing and tall varieties that love full sun and can handle drought conditions. Once these plants are established they require almost no care. Sedums are easy to split in spring and fall if they get too big for their space. These perennials can grow quickly! Foliage of the fleshy leaves are not only green but there are varieties with varying foliage colors. For example, Sedum Dragon’s Blood Tricolor has white and green foliage with pink edges or deep purple leaves like Sedum Dark Magic. Just make sure these plants have well-draining soil because they can succumb to root rot in prolonged wet soil.
Coneflower
Pow Wow Wild Berry Coneflower.
Echinacea, comonly known as Coneflower are bright, upright, and tough perennials! They can take the heat and drought conditions once established ,deer resistant, and trouble free! Echinacea purpurea is the native coneflower to North America but there are varieties with many different bloom colors. These flowering perennials can have blooms that last from mid-summer though fall! Give coneflowers full sun and avoid other plants shading them. They don’t need much in regards to fertilizer if you mix in plenty of compost into the soil when planting. They attract bees and butterflies and if you leave the flowers on in the fall, birds like to eat the seeds. Prune off dead flowers in summer to promote more blooms for fall.
Russian Sage
Denim N’ Lace Russian Sage. 2020 PW Perennial of the Year.
Perovskiaatriplicifolia, commonly known as Russian sage is a must have plant to add to your garden! Russian sage has grey-green leaves that are very aromatic with bluish-purple flowers that bloom mid-summer through fall. It can tolerate clay soil, dry soil, street salt, and are deer and rabbit resistant. It’s also disease and pest resistant! It really is a tough plant! They can fill up a 3′-4’x3’x4′ space in your garden quickly. Birds, bees, and hummingbirds will appreciate this valuable addition as well!
Hyssop
Blue Fortune Hyssop. Photo Courtesy of Monrovia.
Agastache, or commonly known as Hyssop or Butterfly Mint, have very fragrant foliage and flowers that attract bees and butterflies. The flowers bloom late summer through fall to add color when other perennials are winding down. Most hyssop varieties are native to North America and not only like compost rich soil but also lean, dry soil. They prefer a “tough love” approach so they don’t need much water once established and be sure not to over-fertilize. Only top-dress with compost in spring if you want. Hyssop prefer full sun but can tolerate part sun areas.
Back in January of this year, the full-time staff went to the Northern Green Conference up in the Twin Cities for continuing education and to see what is new for this year in landscaping and gardening. One of the more popular sit downs was the Top 10 lists of perennials, shrubs, and trees. Since June is Perennial Gardening Month we thought we’d share the Top 10 Perennials of 2019 decided by Mike Heger. Mike has been in the horticultural industry for over 40 yrs and has even written a book on growing perennials in cold climates. He of course prefaced the list with saying this was a very difficult list to make and was focusing more on natives and pollinators this year. Check out the quick list of his Top Ten Perennials!
Top Ten Perennials 2019
Baptisia Lactea ‘ White False Indigo ‘. Tough, long-lived plant, and tolerates many different soils and light conditions. Great nectar plant. The Blue False Indigo, Baptista ‘ American Goldfinch ‘, and Baptisia Decadence Series are other Baptisia he mentioned.
Calamintha nepeta ‘ Montrose White ‘ (Catmint). Clump forming mint with long bloom time. Great for bees and hummingbirds love it. Considered a zone 5 but could possibly survive our winters in the right spot.
Clematis ‘ Arabella ‘. A rambling ground cover that can have flowers all summer long. Mike said his bloomed 14 weeks! Bees and Hummingbirds enjoy!
Helianthus ‘ Lemon Queen ‘ (Hybrid Sunflower). Blooms late summer and fall and great for all kinds of pollinators. It’s a great tall, background plant. Blooms 2-2.5 months!
Native Liatris ligulistylis ( Meadow Blazing Star ). It blooms from the top down and monarchs and butterflies love it. Tolerant of many soils and high light. Another good native option is Liatris Pycnostachya.
Nepetax faasenii ‘ Purrsian Blue ‘ Catmint. A low maintenance clumping mint with 4-6 mths of color. The ‘Cat’s Pajamas’ is the shorter version with similar qualities. Will see butterflies, moths, bees, and hummingbirds around it!
Origanum ‘ Rosenkuppel ‘ (Ornamental Oregano). Burgundy blooms June-September and even past September at times. It prefers full sun and no wet feet. It is a zone 5 plant so may not survive winters in southern MN.
Salvia nemorosa ‘ Blue Marvel ‘. This perennial sage has violet-blue blooms and the butterflies and bees flock to it. Other forms of Salvia have white, pinks, and purple blooms and there are plenty of varieties to choose from.
Stachys monieri ‘ Hummelo ‘ Boteny. This is the 2019 Perennial of the Year by the Perennial Plant Association. This perennial tolerates many different soil and full sun to light shade.
Vernonia fasiculata ‘ Common Ironweed’. This native perennial can get up to 6′ tall and is a wonderful nectar plant. Painted lady butterflies love them and are a great plant in the back of the garden due to their height. Their blooms are a bright purple and bloom July, August, and September.
Perennial Parade in the Display Garden
Perennial Parade
June 27, 2019
5:30 pm - 6:30 pm
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Event Phone: 507-388-4877
View the beautiful mature perennials in our display gardens and learn more about each one with our resident Horticulturist.
Acidic Soil Loving Plants
Three Plant Needs
Water, Sun, and Soil (Nutrients).
Where does soil pH level come in?
Plants need nutrients and have a balanced relationship with elements in the soil which will contribute to the health of plants.
Plants also have pH level preferences. The soil pH level can affect the uptake of nutrients. Depending on the plant, if the soil pH is not ideal then you may have a stunted and unhealthy plant – and it’s not because there isn’t nutrients in the soil.
Put Away the Fertilizer – For Now
If you are noticing any issues like yellowing leaves, no fruit production, growth seems stunted, and not blooming, checking the pH is highly recommended first before using fertilizers.
For example, you may add fertilizer to your garden but it still has little effect on your plant health if for some reason your soil pH is off. Too much fertilizer can also inhibit nutrient uptake because of soil nutrient imbalances. In addition, nitrogen and phosphorous runoff is a huge environmental pollutant, especially to our waterways and lakes.
Testing your soil nutrients is good gardening practice and could save you money in the long run. If you know your soil pH is within the proper range and your plant is showing nutrient deficiency symptoms, use a slow release fertilizer (like Bio-tone) for in-ground plants to avoid excessive nutrients and run-off.
What is Acidic Soil?
The range of pH is from 0-14. Acidic soil is considered anything below 7.
Many plants like to grow within the 6-7.5 pH range for optimal nutrient uptake.
In Southern MN, you may notice a lot of clay soil with lime, which tends to be more alkaline – 7 pH or above. Water coming from hoses in this area are usually more basic, which increases soil alkalinity.
Other factors that affect soil acidity are rainfall, nitrogen fertilizers, plants (like pines), and subsoil acidity. The best way to know your soil acidity level is a quick home test.
Acidic Soil Loving Plants
Plants that prefer slight acidity, 6.0-7.0 range:
Most plants! Each plant has a pH range it can tolerate and many plants can handle down to 6.0.
Plants that prefer strong acidity, 5.5:
Trees and Shrubs: Raspberry 5.5-7.0, Pears 5.5-7.0, Peaches 5.5-7.0
Trees and Shrubs: Azalea 4.5-6, Blueberry 4.5-6, Hydrangea-Blue flowered 4.0-5.0, White Pine 4.5-6.0, Rhododendron 4.5-6 Flowers – Lily-of-the-Valley 4.5-6.0
Plants have a range of pH that they will grow in and thrive. Those plants that have very strong and an extremely strong acidic soil needs, may need additional amendments to keep soil pH down.
Changing Soil pH
The best way to improve soil pH is through addition of amendments and adding organic material. To increase acidity – add sulfur – and to decrease acidity – add lime. Add both of these amendments in small stages and increments as to not shock the plant if it’s already planted. Read the instructions on any product you use to properly adjust the pH.
Favorite supplements to adjust the soil pH that will not shock the plants – if used as directed:
Epsoma Soil Acidifer – Organic, Safe, long-lasting, and won’t burn the plants if used as directed. Repeat in 60 day intervals if needed.
Epsoma Berry Tone for Berries – Organic, Good if you need to slightly increase acidity, Use early and late spring, Use on blueberries, strawberries, and raspberries, Will help produce bigger plants and more berries.
Adjust Soil pH with Organic Matter
Add any type of compost to your garden beds. This is best to do in the fall since it takes more time to adjust the soil pH using this method but feel free to feed plants with top dressing of compost during the growing season. Reach for compost first when wanting to add nutrients, improving soil aeration, improving water retention, and adjusting pH.
Modifying your soil’s pH will take some time. Depending on the type of soil you are working with, the addition of supplements and organic material may be needed year-after-year.
If you test your soil and notice you’re having troubles with keeping your soil more acidic, don’t fight it! Choose plants that will tolerate more neutral or alkaline soils. There are plenty out there!
