Cold hardiness & minimum temperature

Is Bob Gordon Elderberry (Sambucus nigra 'Bob Gordon')cold hardy? Hardiness zone & min temp

Also called Bob Gordon Elderberry, Bob Gordon Elder.

More about bob gordon elderberry

About Bob Gordon Elderberry

Sambucus nigra 'Bob Gordon' · also called Bob Gordon Elderberry, Bob Gordon Elder · edible

Bob Gordon is a highly productive elderberry cultivar selected at the University of Missouri for exceptionally large berry clusters and superior juice yield. It produces prolific crops of deep purple-black berries with high anthocyanin content, prized for elderberry syrup, wine, and commercial processing. Upright and vigorous, it benefits from a pollinator companion cultivar such as Adams or Nova for maximum yield.

Cold limit: USDA 3–8 · RHS H7 (-30–35°C)

What bob gordon elderberry's hardiness rating actually means

Yes — bob gordon elderberry is genuinely cold hardy. Rated RHS H7 and USDA 3–8, it lives outdoors all year and needs winter cold rather than protection from it. Its RHS rating of H7 means: Hardy in the severest European continental winters. On the US scale that maps to USDA 3–8 — the zones where it can be left outdoors year-round.

New to these scales? The USDA hardiness zone map explained covers how the zone numbers work, and you can find your own zone with the zone finder.

Minimum temperature — and what happens below it

Minimum survivable temperature is roughly below about −20 °C. Bob Gordon Elderberry is built for winter — once established it takes hard frost and snow in its stride.

Concretely, for bob gordon elderberry as it gets too cold:

It tolerates winter lows to about −20 °C once established.
Below its rated zone, the visible damage is browned or blackened top growth and, in the worst case, a killed crown or root.
First-year, newly planted, or container-grown specimens are noticeably less hardy than established garden plants — the roots are exposed.

Can bob gordon elderberry go outside or overwinter — and where?

Plant it out within USDA 3–8 and it overwinters with little or no help.
It does not want to come indoors — a warm winter room actually weakens a hardy plant by denying it dormancy.
The real risks in its range are waterlogging, wind-rock on young plants, and a late hard frost on new growth — not ordinary winter cold.

Work back from your local frost dates with the frost-date calculator: the last spring frost and first autumn frost are what really decide when bob gordon elderberry can be outside. US growers can check USDA zones; UK growers should use the RHS hardiness ratings, which match the H7 figure above.

Bob Gordon Elderberry hardiness — frequently asked questions

Is bob gordon elderberry cold hardy?

Yes — bob gordon elderberry is genuinely cold hardy. Rated RHS H7 and USDA 3–8, it lives outdoors all year and needs winter cold rather than protection from it. An outdoor plant. Bob Gordon Elderberry is hardy across USDA 3–8; it belongs in the ground or a frost-proof container, not on a windowsill, and many types actively need a cold winter to perform.

What is the minimum temperature bob gordon elderberry can survive?

Minimum survivable temperature is roughly below about −20 °C. Bob Gordon Elderberry is built for winter — once established it takes hard frost and snow in its stride.

What hardiness zone is bob gordon elderberry?

Bob Gordon Elderberry is rated USDA 3–8 and RHS H7 — Hardy in the severest European continental winters.

Can bob gordon elderberry survive winter outside?

Plant it out within USDA 3–8 and it overwinters with little or no help. It does not want to come indoors — a warm winter room actually weakens a hardy plant by denying it dormancy. The real risks in its range are waterlogging, wind-rock on young plants, and a late hard frost on new growth — not ordinary winter cold.

What happens to bob gordon elderberry below its minimum temperature?

It tolerates winter lows to about −20 °C once established. Below its rated zone, the visible damage is browned or blackened top growth and, in the worst case, a killed crown or root. First-year, newly planted, or container-grown specimens are noticeably less hardy than established garden plants — the roots are exposed.