Elderberries dream meaning is explained below using 6 different sources. Each interpretation is shown with its source.

Interpretation 1 — Zolar

lucky numbers: 10-15-22-28-40-44

buying jam: wil make a friend of an old vigorous mind.

eating: abundant means.

picking: social activities and domestic bliss of an agreeable pleasant country home.

wine: wil clean up litter from the wedding of an unrequited love.

Source: Zolar’s Book of Dreams Numbers and Lucky Days Author: Zolar

Interpretation 2 — Stearn Robinson - Tom Corbett

Whether you picked them, ate them, cooked them, or whatever, these wild berries in your dream predict that you will be faced with a mess not of your own making, but don’t be unduly worried, you’ll be able to cope.
Source: The Complete Guide to Interpreting Your Dreams Author: Stearn Robinson - Tom Corbett

Interpretation 3 — Gustavus Hindman Miller

To dream of seeing elderberries on bushes with their foliage, denotes domestic bliss and an agreeable county home with resources for travel and other pleasures. Elderberries is generally a good dream.
Source: Ten Thousand Dream Interpretation Author: Gustavus Hindman Miller

Interpretation 4 — Stephen Girard

To dream of elderberries augurs content and riches; to a maiden, they bespeak marriage; to the tradesman, success in business; to the farmer, good crops. 
Source: The Mystic Dream Book Author: Stephen Girard

Interpretation 5 — Internet Archive - Anonymous

An omen of trouble from some friend. But wild fruits are not easily determined when appearing in dreams, so be certain that it is this particular berry.
Source: Mystic Dream Book Author: Internet Archive - Anonymous

Interpretation 6 — DreamForth

To dream of elderberries indicates that you are happy at home with your loved ones.
Source: Dream Symbols and Analysis Author: DreamForth