If you dream about the greenhouse, then such dream could send you a warning about the need to change for something. The dream could also represent the goodness you are creating for your future. Perhaps you wish the better life, working hard and the dream shows that its working completely fine. The dream about the greenhouse could also point to your desire of being on your own.
Dream dictionary: Greenhouse dream meanings
Joy in the heart and peace in the spirit.
(See Nursery)
…(Greenhouse | Hotbed) In a dream, a nursery represents profits, annual return or a fertile woman. Owning or attending a nursery in a dream means victory, prosperity, marriage, acquiring knowledge, training in arts, or repent- ing from sin and harvesting the fruits of one’s repentance. If the fruits of one’s plants turn into gold or silver in one’s dream, it means either benefits, profits, or that a disease will impair the growth of one’s plants, or it could mean unsalability of one’s crop….