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Notes About :Gentiana

We used to say that all varieties listed here are fairly easy to grow, but as our selection of gentians is expanding, there are some more difficult species among them. To help you, we list the easy ones below. Generally, all like an average garden soil that drains, as is required by most rock garden plants.

TRUMPET GENTIAN- Gentiana acaulis – angustifolia - clusii - dinarica

You can encounter them easily (unlike Edelweiss) on hikes up in the Alps. Besides the Edelweiss, Trumpet Gentians are the most classic Swiss Alpine flower and shouldn't be missing in any rock garden (really) and are just as breathtaking in a border. The large, deep velvety-blue trumpets are plain irresistible. They also work excellent on steeper hills and can be used as erosion control.
Trumpet Gentians are all easy to grow. They like an average garden soil that drains in full sun for cooler climates and mostly sun to dappled shade in hotter ones. Contrary to some literature, they don't need regular watering and are drought tolerant once established.
Our selection can be overwhelming and several are much alike; so we have a few pointers for starters: Our two main varieties are ‘Holzmann’, our best re-bloomer and ‘Undulatifolia’ with some of the largest trumpets. To add a couple with distinct differences we recommend angustifolia-Hybrid (from Leach Botanical Garden) with its bright blue and dinarica ‘Montenegro’ with the darkest blue and wide, leathery foliage.
For us, we get the most blooms in full sun, despite some 100+ deg. F days. As far as growing them, it has been our experience that they prefer to be planted in the garden rather than in pots. They are not fond of potting media and need some plain "dirt". So far we haven't lost a single plant in the garden; in the pots, a different story. So if you do want to grow them in larger pots and planters, make sure to add 1/4 to 1/2 garden soil.
We add “Hybrid” to the acaulis/angustifolia selections since they are interbred with different related species. Even in the wild they naturally hybridize and are quite rare in a pure form of a species. This might be bad news for a purist but it makes them much more adaptable to different soil types and conditions.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
2-3/8" 3 April-May - 3" $10.00  
-Ready in April 2016- A smaller, slow growing and slow multiplying selection with almost white flowers. They open in the palest blue and turn almost white. Just a few available for the collector.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 3 April-May - 3" $10.00  
A vigorous selection suitable as a groundcover in rock gardens with dark blue, upward facing trumpets. The main blooming season is spring but they can re-bloom throughout summer and fall. The leathery foliage is evergreen. For any good garden soil, needs light shade in hotter regions.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 3 April-May - 3" $54.00  
Special! 6 plants. A vigorous selection suitable as a groundcover in rock gardens with dark blue, upward facing trumpets. The main blooming season is spring but they can re-bloom throughout summer and fall. The leathery foliage is evergreen. For any good garden soil, needs light shade in hotter regions.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 3 April-May - 3" $10.00  
For years we've been selling 'Undulatifolia' as the "best" trumpet gentian and we'll keep it that way. However, 'Maximus' is the "very best"; a tad larger flowers and more of them, at least in spring. This one reblooms as well in summer/fall, comparable to 'Undulatifolia'. For any good garden soil, needs light shade in hotter regions.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 3 April-May - 3" $54.00  
Special! 6 plants. For years we've been selling 'Undulatifolia' as the "best" trumpet gentian and we'll keep it that way. However, 'Maximus' is the "very best"; a tad larger flowers and more of them, at least in spring. This one reblooms as well in summer/fall, comparable to 'Undulatifolia'. For any good garden soil, needs light shade in hotter regions.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
2-3/8" 3 April-May - 3" $7.75  
One of heaviest and most reliable bloomers in in the main season, with medium large flowers in dark blue, and also re-blooms well for us throughout summer and fall. For any good garden soil, needs light shade in hotter regions. 2 3/8" square - 3 3/4" deep pots - blooming size.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
2-3/8" 3 April-May - 3" $8.75  
A rare light blue selection with large trumpets. The flowers come in different shades of blue depending on the season. The early bloom (here February/March) is a gorgeous pale blue, later (April/May - pictured) light blue and the re-bloom in summer is a mid blue. For any good garden soil, needs light shade in hotter regions. 2 3/8" square - 3 3/4" deep pots - blooming size.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 3 April-May - 3" $10.00  
According to J.Eschman the best trumpet gentian to grow, very adaptable. Extra large, intense velvet-blue, upward facing trumpets. The main blooming season is spring but they can re-bloom throughout summer and fall. The leathery foliage is evergreen. For any good garden soil, needs light shade in hotter regions.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 3 April-May - 3" $54.00  
Special! 6 plants. According to J.Eschman the best trumpet gentian to grow, very adaptable. Extra large, intense velvet-blue, upward facing trumpets. The main blooming season is spring but they can re-bloom throughout summer and fall. The leathery foliage is evergreen. For any good garden soil, needs light shade in hotter regions.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 3 April-May - 3" $8.00  
SALE! (reg. $10.00) Received as G. angustifolia, (Leach Bot. Garden) though it's obviously a hybrid. But what a bright color - I simply couldn't resist! A good grower, in fact the fastest grower of all we offer, suitable as a groundcover and ideal for steep slopes and erosion control. Blooms are large, upward facing trumpets in bright, deep blue. The main blooming season is spring but they can re-bloom throughout summer and fall. The leathery foliage is evergreen. For any good garden soil, needs light shade in hotter regions.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 3 April-May - 3" $21.00  
3 plants. SALE! ($7.00 each; reg. $10.00) Received as G. angustifolia, (Leach Bot. Garden) though it's obviously a hybrid. But what a bright color - I simply couldn't resist! A good grower, in fact the fastest grower of all we offer, suitable as a groundcover and ideal for steep slopes and erosion control. Blooms are large, upward facing trumpets in bright, deep blue. The main blooming season is spring but they can re-bloom throughout summer and fall. The leathery foliage is evergreen. For any good garden soil, needs light shade in hotter regions.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 3 April-May - 3" $39.00  
6 plants. SALE! ($6.50 each; reg. $10.00) Received as G. angustifolia, (Leach Bot. Garden) though it's obviously a hybrid. But what a bright color - I simply couldn't resist! A good grower, in fact the fastest grower of all we offer, suitable as a groundcover and ideal for steep slopes and erosion control. Blooms are large, upward facing trumpets in bright, deep blue. The main blooming season is spring but they can re-bloom throughout summer and fall. The leathery foliage is evergreen. For any good garden soil, needs light shade in hotter regions.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 4 July-Sept. - 18-24" $8.50  
A classic component for the English border, is easy to grow and long lived. Trumpet-shaped flowers are arranged on arching stems in the axils of the upper leaves. 3 1/2" pots - blooming size.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 3 April-May - 2-3" $18.00   Sold Out
This rare selection has a most intriguing coloration. While the lobes are white, the throat and outside of the trumpet are purple infused. Acquired 2007 in Germany, we finally have a few to share, after 8 years! Gentiana clusii grow in very tight clumps and doesn't produce any rhizomes like the acaulis types. COULD be propagated by seed, but so far our plants have refused to set any. We've finally got hold of another clone and hope cross pollenating will do the trick. This would allow us to offer them at a more decent price.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 3 April-May - 3" $9.00  
SALE! (reg. $10.00) Picked this one up at our regular gentian source in Switzerland in November of 2007. This was by far the darkest blue gentian, at that time and place. Back here in Oregon, in spring, they bloom in a ordinary dark gentian-blue (although there is nothing ordinary about gentian-blue). In fall the rebloom is noticeable darker than the orders, however. The leaves differ from other trumpet gentian types by being exceptionally leathery-shiny and quite large. As most others, good rebloomer and grower.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 3 April-May - 3" $25.00  
3 plants. SALE! ($8.33 each; reg. $10.00) Picked this one up at our regular gentian source in Switzerland in November of 2007. This was by far the darkest blue gentian, at that time and place. Back here in Oregon, in spring, they bloom in a ordinary dark gentian-blue (although there is nothing ordinary about gentian-blue). In fall the rebloom is noticeable darker than the orders, however. The leaves differ from other trumpet gentian types by being exceptionally leathery-shiny and quite large. As most others, good rebloomer and grower.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 3 April-May - 3" $45.00  
6 plants. SALE! ($7.50 each; reg. $10.00) Picked this one up at our regular gentian source in Switzerland in November of 2007. This was by far the darkest blue gentian, at that time and place. Back here in Oregon, in spring, they bloom in a ordinary dark gentian-blue (although there is nothing ordinary about gentian-blue). In fall the rebloom is noticeable darker than the orders, however. The leaves differ from other trumpet gentian types by being exceptionally leathery-shiny and quite large. As most others, good rebloomer and grower.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 4 Aug.-Oct. - 6-8" $7.50  
Clusters of bright blue flowers, often with white throats, on 8 to 12" long stems. For the rock garden in a well drained soil.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
3 1/2" 3 July-Sept. - 4-6" $7.50  
One of the easiest and most rewarding gentians, loaded with 1½" long trumpets. This selection has an especially intense blue and a compact habit. For any good garden soil.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
2-3/8" 4 Sept.-Oct. - 4" $9.50  
The worlds first double gentian! And deep blue at that. Grows in mats of grassy foliage and produces bunches of double trumpet-flowers, striped on the outside. Relatively easy in acidic soil and summer moisture. They take full sun for us with occasional low 100s; for hotter climates afternoon shade is recommended.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
2-3/8" 4 Sept.-Oct. - 4" $7.75  
Grows in mats of grassy foliage and produces bunches of trumpet-flowers. This selection has pure white flowers with yellowish stripes on the outside. Relatively easy in acidic soil and summer moisture. They take full sun for us with occasional low 100s; for hotter climates afternoon shade is recommended.

Pot Size Zone ? Bloom Season Exposure Height Price Quantity
2-3/8" 4 Sept.-Oct. - 4" $7.75  
Grows in mats of grassy foliage and produces bunches of trumpet-flowers, striped on the outside. This selection has deep blue flowers and a finely dotted inside. Relatively easy in acidic soil and summer moisture. They take full sun for us with occasional low 100s; for hotter climates afternoon shade is recommended. Available again late spring/early summer.

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