Do grafted roses get "tired"?
Karen R. (9B SF Bay Area)
5 years ago
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How long do grafted roses live?
Comments (20)Austins with low lying branches that root itself (like Radio Times) has better bloom production when it's older with extending root system. Below is my Radio Times as 12th-year own-root, 100% healthy. Pic. below shows 1/2 of the bush, taken in late July in only 4 hrs. of sun: I have Knock-outs and FlowerCarpet which were bought grafted-on-Dr.Huey when my daughter was 3, now she's 20. These have grown ownroots ABOVE the grafted bud. They are in soaking wet & poor drainage clay. Two lost Dr.Huey-rootstock completely when I dug it up, but they grew small own-roots above. Still abundant in blooms after 15+ years in only 4 hrs. of sun. The best blooming is from those with BOTH own roots above and Dr.Huey rootstock below. In contrast, Double-Delight which I bought 9 years ago as grafted-on-Dr.Huey NEVER grow its own-root since it's a dry spot (near a big spruce tree). This Double Delight bloomed well for the first 3 years, then it's a drastic decline in blooming in 4th year, and now as 9th-year grafted, I got only 5 blooms max per year !! Nearby rose park replaces Austin roses (grafted on Dr.Huey) every 2 to 3 years, and hybrid teas every 4 years. For VIGOROUS rose to grow its own-root above Dr.Huey-roostock, I topped it with 1 foot of fluffy soil, plus poor drainage clay below so it's constantly wet to rot Dr.Huey-roostock. Growing own-root above Dr.Huey is possible in high-rain climate, see below the big & chunky root of Dr.Huey, and the tiny own-root (on the left) that grew ABOVE the grafted-union. It's from grafted Pink Peace when I dug it up in a soaking wet bed:...See MoreTired of grafting
Comments (22)Hmm Stuart the scion tip just looks to dried deep down. Maybe I am wrong. I know the plastic is to help keep it moist but what does it do when it has already dried If one end is not strong or is too dry. Do You have to use so much plastic to wrap it up or not at all like you said. Have you tried less around and less on the stem to scion. I just looks like a lot I may be wrong there too. Are new cuts on both ends better for graft to take? I bet you used fresh cuts on both ends on the one in the cool area. Take it as a challenge You can do it....See MoreComparison cost in producing a grafted rose next to an own root rose?
Comments (4)Matters of scale: Grafted roses: fields are tied up for two years plus time for rather lethal fumigations. Grow rootstock Harvest nodes for grafting Talented propagators? employed by the company or imported. Timing for the rootstock to be right to take the graft or bud Irrigation Two years of irrigation Harvest (wish they would clean the choppers above and below ground), label bag and ship. Is the rootstock used right for all parts of the country? No, but producer doesn't care as his job is to produce plants to sell. And he can do this in bulk. Own root: take cutting root and grow out cutting sell....See MoreAre Star Roses & Weeks Roses own roots or grafted?
Comments (30)R. Multiflora is hardy to zone 4b, and Dr.Huey-rootstock is hardy to zone 6b. Dr.Huey-roostock can live forever in my zone 5 since its roots is at the end of a long-stick (1 foot deep), so it can survive deep underground while the upper-own-root dies. The temp. at DEEP underground is 32 F, while the above temp. is -20 F in my zone 5a. The secret of Dr.Huey's living forever is its roots are at the end of a long stick to be at 32 F underground. I saw only one multiflora shoot appearing at local library, versus countless Dr.Huey-taking over. Leaves are acidic when not fully decomposed, so I consider that peat (Peat forms when dead plants are not fully decomposed). Once time I buried a bunch of leaves underground when I fixed the planting hole of Wise Portia. IT GOT WORSE !! I dug that up and the leaves turned into pitch-black & acidic peat. Wise Portia as own-root hates it (it likes alkaline with dark-green leaves). Multiflora-roostock can take acidic leaves on top better than grafted-on-Dr.Huey or own-roots. Multiflora-species thrive in high-rain & acidic soil. But Dr.Huey was bred in dry & alkaline CA. Back in 1998 I winter-protected a dozen hybrid-teas (grafted on Dr.Huey) with acidic maple leaves (not decomposed to neutral pH). They all got black canker & died through the winter. But my neighbor's dozen hybrid-teas (grafted-on-Dr.Huey) were winterized with dry & alkaline wood-chips and they survived winter great. Own-roots absolutely hate acidic leaves on top when their roots mature to be chunky & woody like Dr.Huey. When I winterized 10th-year-own-root Golden Celebration with leaves, it was only 4" tall in spring & gave me 4 lousy blooms for spring flush. So this 11th-year winter, I switched to DRY & ALKALINE wood-chips, and Golden Celebration had over 1 foot of green cane, with 20+ blooms for spring flush (in only 4 hrs. of sun). Multiflora-rootstock prefers loamy soil since it's a cluster root (spaghetti strands), versus big-fat & woody chunky Dr.Huey for dense & thick clay. Multiflora-rootstock declines in my salty & dense & alkaline clay. Dense clay need a thicker-stick like Dr.Huey to push through. Here in rock-hard & dense alkaline clay (similar to CA), Dr.Huey-rootstock is the choice but folks plant it so deep that Dr. Huey lives forever....See MoreMoses, Pittsburgh, W. PA., zone 5/6, USA
5 years agolast modified: 5 years agoKaren R. (9B SF Bay Area) thanked Moses, Pittsburgh, W. PA., zone 5/6, USAKaren R. (9B SF Bay Area)
5 years agolast modified: 5 years agoMoses, Pittsburgh, W. PA., zone 5/6, USA
5 years agolast modified: 5 years agoKaren R. (9B SF Bay Area) thanked Moses, Pittsburgh, W. PA., zone 5/6, USA
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Moses, Pittsburgh, W. PA., zone 5/6, USA