Drooping Agapanthus isn’t exactly a romantic moniker but it aptly describes the dramatic blossoms on this large perennial. Strappy leaves form clumps and rise to 30″ tall. In August bold spikes emerge to 4′ tall with sky blue drooping clusters of flowers. Very pretty. Clumps spread to 3′ wide so give this plant room for the future. As the plant increases so does the flower stem count. The tall strong flowers work wonderfully in arrangements. They are also coveted by hummingbirds. Full sun and rich soil with regular summer water- at least until blooms fade. As with all Agapanthus it blooms better in neutral to alkaline soil. Incorporate a handful of lime in the planting hole. Mulch in very cold gardens. Excellent for the middle or back of a border. Lives in large containers for many years. Native to high elevation grasslands in South Africa. Winter deciduous.
Plant Type: Herbaceous perennial
Perennials are the organic heart of the garden. They return year after year and represent the most sustainable type of gardening. We offer varieties that are difficult to find, that are extraordinary in performance. Evergreen perennials make up a large component in our climate where snow is limited and landscapes are green. They maintain a continuity through the darkest days of the year. Many of our perennials are drought adapted when established and combine well with drought adapted shrubs. We are constantly expanding our offering of native perennials- a category sorely lacking in our gardens.
Native perennials have specific requirements
Just because a plant is native does not automatically mean that it is easy to grow in a garden. In fact, adaptation to summer drought means that you are in greater danger of overwatering than under watering. Many native perennials are slow to finish to sale size. Adelina, Wyethia, are two examples of highly sought native perennials. Turns out it takes about 3 years for them to bulk up to a size that we feel confident will survive when sold and planted out. Conversely, there are many native plants that are easy to grow in container culture but they have a rough transition and low transplant survival rate- most often they are adapted to specific edaphic conditions (soil conditions) and those must be replicated in the garden as close as possible.
Extra care for natives, protection from invasive plants
Finally, the biggest threat to native perennials is being swamped by invasive non-native grasses and weeds. You can’t just randomly plant them out and expect them to adapt immediately. Treat them as well as you would any perennial. Add a touch of all organic fertilizer to the planting hole and definitely mulch and make very sure to protect them from invasive plants. Non-natives are adapted to horrible, compacted soil of all types- they are survivors that are adapted to win. Plant densely and by all means, MULCH and care for your native plants they require our assistance.
Climate Adapted Plants for Gardeners in the PNW
Agapanthus x ‘Exmoor’
Fantastic cold hardy lily of the nile cultivar that is easy to grow and spectacular in bloom. This selection made in Scotland forms large clumps of strappy leaves and deep navy blue buds open to lighter sky blue flowers. Tall growing Agapanthus to 3′-4′ in bloom and flowers appear from late June to early August. Loved by hummingbirds and bees this is naturally deciduous variety. The leaves disappear to nothing in winter- a good trick because this UK variety shares a common trait among those from there, it holds off on sprouting in spring until all threat of a frost has passed. Its very cold hardy too, solidly zone 7. Excellent long blooming dramatic perennial for hell strips, borders. The contrast between the dark buds and lighter open flowers is a joy. Flower heads are about the size of a soft ball or larger. Regular water in rich soil. Apply a handful of horticultural lime in the planting hole. Agapanthus prefer and bloom better in neutral soil (ours are acidic to strongly acidic). A four year old clump will be 2′ across with 10 or more large flower stalks. They increase yearly from there.
Agapanthus x ‘Stripes’
An excellent cold hardy Lily-of-the-Nile that was bred in the PNW. To 3′ tall in bloom from a low basal presence of strappy green leaves. Each flower in the truss is light blue with darker blue stripes. They are pretty up close- from a distance it reads as glowing baby blue. And you can use this luminosity to your advantage. Easy to grow perennial for full sun to very light shade in rich, well drained soil with regular summer water. This cultivar performs even without regular water but the blooms last longer and are larger with it. Completely deciduous in winter. Agapanthus perform best in neutral to alkaline soil, incorporate a handful of lime in the planting hole.
Agapanthus x ‘Summer Nights’
A northwest raised cold hardy selection with deciduous leaves and the most intense deep blue flower spikes to 28″ tall in June and July. Full sun, well drained soil and regular water. Deciduous Agapanthus (REALLY) appreciate good soil. Combine with other perennials for love, joy. Best with regular summer irrigation and annual applications of organic fertilizer. Has been a long lived, long term performer in landscapes from Vancouver, BC to Medford , Oregon. Selected for intense deep blue flower color combined with excellent hardiness to cold.
Agastache ‘Lilac Moon’
Cool bicolored Hummingbird Mint that has masses of flowers that appear from orange buds which quickly change to luminous light lavender when open. To 20″ tall and forming a clump this very, very, long blooming perennial is delightful for hummingbirds, bees and butterflies. A soft pastel coloration that pairs wonderfully with light yellow flowers and even blue. Great in seasonal containers. Blooms non-stop from June to October. Do not remove flower spikes as new flowers will appear continuously from the same spike. Rich, WELL DRAINED soil with light, consistent summer water. Its best to water Agastaches consistently during their first year in the ground- to establish a large root system. Ideal on slopes- to assist in drainage in winter. Double dig soil to incorporate lots of oxygen in the soil. One of our favorite introductions. An amazing combination of flower colors on a single plant. Do not cut back until new growth has flushed out in spring and all threat of a hard freeze has passed.
Xera Plants Introduction
Agastache ‘Berry Princess’
We believe this to be a cross inheriting some of the coloration of A. auranticus as well as A. cana. To 28″ tall this clump forming, everblooming perennial brings bright red buds that open to purple flowers. The colorful combination lasts all summer into autumn. New flowers are born on the same spikes so do not remove. Moderate consistent water through the first summer to establish. Double dig soil to incorporate oxygen into the soil and aid in irrigation to the roots. Established plants get by with a little less. Loved by hummers and pretty decent cutfower as well. Full all day sun for best performance, will not be quite as floriferous in part shade. Sweetly scented foliage is an extra benefit. To 18″ wide and slowly increasing. Excellent on berms as well as slopes. Mulch in fall. Small rosette of winter foliage is protected by the previous years defunct stems. Prune these away after all threat of a hard freeze has passed.
Xera Plants Introduction
Agastache ‘Electric Punch’
One of our all-time best introductions ‘Electric Punch’ is a floral powerhouse of a hummingbird mint with exceptional adaptation to our cold and wet winters. Rising to 34″ tall in bloom, a clump can become enormous in rich, WELL DRAINED soil with light, consistent summer water. Also, accepts no water but with interruptions in bloom. Incorporate plenty of oxygen into the soil and slopes are ideal. Do not remove flower spikes during the season- new orange aging to pink flowers appear from the same inflorescence. Best to wait until spring to cut back the previous seasons defunct stems. Moderate deer resistance. Agastache are best watered well for their first season, in subsequent years they will use much less.
Xera Plants Introduction.
Agastache ‘Mandarin Dream’
This is our selection of an improved form of the species Agastache auranticus. It has deeper orange flowers on taller stems and exhibits excellent winter/cold/wet hardiness. To 30″ tall, the vivid blooms erupt from June to October. Tightly clump forming perennial whose tall wand-like stems require more horizontal room as well. Hummingbird Mint excels in very well-drained soils with consistent, light summer water. Full sun- you can fudge in light shade and still get results. Remove the previous seasons spent stems in March. Agastache are plants that like oxygen in the soil and they often seed themselves happily between large stones. They appreciate soil that is rich but permeable at all times. We advise to wait until March to remove the previous year’s stem. The hollow stems that remain over winter actually provide oxygen to the roots. If you cut them back too early (Fall, winter) you also leave the new growth at the base unprotected from the elements. So, the stems should remain to both give the plant oxygen and protect the next seasons clump of foliage. Double dig the soil heartily and add a little compost and even pumice if your soil is stingy. Water regularly for the first season to establish a large root system which will require less H20 in subsequent years. This is a vibrant orange that mixes well with deep purples and blues.
Xera Plants Introduction.
Agastache ‘Rainbow Sorbet’
One of our larger growing introductions this is a flowering machine with large individual flowers that open pale orange and senesce to pale pink. Overall this is a pastel flower palette. To 36″ tall and as wide in full sun and well drained soil with light, consistent summer water. Agastaches are excellent as container subjects- they will accept the most cramped roots and still perform. Wait until March to remove the previous years spent stems. Give this guy room. Hummingbird nirvana. Good winter hardiness.
Xera Plants Introduction.
Agastache ‘Xera Flame’
Our selection of a compact and free flowering cold hardy Hummingbird mint with intense dark orange flowers. Blooms June to October and they rise on spikes to 18″ tall. Does not flop- great for smaller spaces. Regular summer water in well drained, enriched soil. Excellent on slopes which improves winter drainage which increases cold hardiness. Full sun to very light shade. Irresistible to pollinators. Blooms appear from the same spikes all season- do not remove. Wait to cut it back until spring. Then remove dead top growth to make way for the new growth that is pushing from below.
Xera Plants Introduction.
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