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Rock and Alpine Gardening: Saxifraga longifolia

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Galanthophile
North East England
United Kingdom
(Zone 8a)

May 1, 2006
6:16 AM

Post #2237507

I took this photo the other day but since then the centre of the plant is starting to elongate which hopefully means a flower. Does anyone know what it will look like? After flowering will I lose the plant - it only has one rosette?

Thumbnail by Galanthophile
Click the image for an enlarged view.

Todd_Boland
St. John's, NL
(Zone 5b)



May 1, 2006
9:54 AM

Post #2237615

S. longifolia is monocarpic...it is absolutely spectacular when in bloom...a giant among the saxs, but try to save some seed. How old is the plant? They often take 4-5 years to reach maturity.
Todd_Boland
St. John's, NL
(Zone 5b)



May 1, 2006
9:56 AM

Post #2237621

By the way, if you get to a saxifrage nursery, look for 'Tumbling Waters'..it is a longifolia hybrid that looks similar to longifolia but is not monocarpic. Here is my 2 year old plant.

Thumbnail by Todd_Boland
Click the image for an enlarged view.

kniphofia
Morpeth
United Kingdom
(Zone 8a)

May 1, 2006
9:59 AM

Post #2237628

I hope you can get to save some seed Ann as it's a lovely plant. Todd yours is stunning!

Tammy

Tammy
Barto, PA
(Zone 6b)

May 1, 2006
11:21 AM

Post #2237688

I love the geometry of those sax's. Just gorgeous.
Tam
Galanthophile
North East England
United Kingdom
(Zone 8a)

May 1, 2006
12:21 PM

Post #2237807

Thanks very much for the info. I only bought the plant last year. I will look out for Tumbling Waters. Here's how my plant looks today.

Thumbnail by Galanthophile
Click the image for an enlarged view.

Galanthophile
North East England
United Kingdom
(Zone 8a)

May 1, 2006
12:21 PM

Post #2237808

Another view

Thumbnail by Galanthophile
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Galanthophile
North East England
United Kingdom
(Zone 8a)

May 1, 2006
12:22 PM

Post #2237810

The only other saxifraga of this type I have is crustata.

Thumbnail by Galanthophile
Click the image for an enlarged view.

Todd_Boland
St. John's, NL
(Zone 5b)



May 1, 2006
11:26 PM

Post #2239956

My S. crustata looks a little different from yours but variation does exist.

Thumbnail by Todd_Boland
Click the image for an enlarged view.

Todd_Boland
St. John's, NL
(Zone 5b)



May 1, 2006
11:28 PM

Post #2239967

Sax. cotyledon is also a giant rosette type..this one has 5" rosettes.

Thumbnail by Todd_Boland
Click the image for an enlarged view.

Todd_Boland
St. John's, NL
(Zone 5b)



May 1, 2006
11:30 PM

Post #2239971

and 'Monarch' is a cotyledon hybrid with quite large rosettes as well.

Thumbnail by Todd_Boland
Click the image for an enlarged view.

Todd_Boland
St. John's, NL
(Zone 5b)



May 1, 2006
11:31 PM

Post #2239975

Here is my S. longifolia...a 2 year old baby..the rosette is only 4 cm across yet.

Thumbnail by Todd_Boland
Click the image for an enlarged view.

kniphofia
Morpeth
United Kingdom
(Zone 8a)

May 2, 2006
2:49 AM

Post #2240653

Wow, these plants and photos are fantastic!
Galanthophile
North East England
United Kingdom
(Zone 8a)

May 2, 2006
6:20 PM

Post #2242248

These are all wonderful Todd. Thanks for posting. I shall be looking out for more of these on my nursery trip!
Galanthophile
North East England
United Kingdom
(Zone 8a)

May 7, 2006
11:10 AM

Post #2255897

My longifolia today

Thumbnail by Galanthophile
Click the image for an enlarged view.

levilyla
Baltimore, MD
(Zone 7a)

May 7, 2006
9:39 PM

Post #2257371

Do all these need full sun? They are so fabulous.
Zuzu
Sebastopol, CA
(Zone 9a)

May 7, 2006
10:19 PM

Post #2257440

I grow them in the shade. Otherwise, they'd croak on the first day of true California sun. They have to be in a super-lean medium in the shade, though. I use cactus potting soil mixed with grit and aquarium sand, and I pick out any leaves as soon as they fall in the trough from the overhanging trees, because they could add too much rich stuff to the planting medium.
levilyla
Baltimore, MD
(Zone 7a)

May 7, 2006
11:25 PM

Post #2257591

Sounds like it is NOT FOR ME...I have mostly shade but not lean well drained soil. Tell me about saxafraga purple robe...I just got this and have NEVER had one. It doesn't look anything like yours but ...what do you think? Todd?

Thumbnail by levilyla
Click the image for an enlarged view.

Galanthophile
North East England
United Kingdom
(Zone 8a)

May 8, 2006
3:45 PM

Post #2259648

Yes yours is a different type of saxifraga - I'm just learning about them too. Todd's your man!
Todd_Boland
St. John's, NL
(Zone 5b)



May 8, 2006
5:26 PM

Post #2259895

Purple Robe is a mossy saxifrage...part shade is ideal. They are generally easy. In Maryland you should be able to get away with the encrusted saxs but probably not the kabschia types. Encrusted need very well drained soil...Purple Robe will be happy in a more organic woodland mix.
levilyla
Baltimore, MD
(Zone 7a)

May 8, 2006
9:17 PM

Post #2260263

Thanks Todd...I THINK I understand. :~)

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