The results of the vegetation cover surveys conducted within the Tell Al-Rumman site of the Royal Botanic Garden, and within successive periods of time between 2006 and 2021, showed the presence of a large number of wild plants, as more than 600 plant species belonging to 67 different plant families were recorded, and this is approximately 23% of all wild plants in Jordan.
- Among these plants, there are 400 species that grow in the spring, including Iris Gilead, anemones, dahnoon, and cyclamen.
- In addition, there are 50 plant species that grow in the winter, including Al-Aislan, Al-Basel, Tulips, Wild Garlic, and the Star of Bethlehem.
- There are 75 plant species that grow in the fall season, such as al-Asheer, al-Hawa, and al-Hamaham.
- There are 75 plant species that grow in the summer, including Ja’dah, Katila, and Cloves.
The Mediterranean vegetation prevails at the site of the Royal Botanic Garden through the existence of an ecosystem of degraded forests of the type of deciduous oak Quercus ithaburensis, the remains of which are still present today, in addition to the presence of other accompanying tree and shrub species such as: Pistacia palaestina, Pistacia atlantica, and wild pear. Pyrus syriaca, almond, Amygdalus communis, wild olive, Olea europaea, plantain, Sarcopoterium spinosum, Retama raetam, salmon, Anagyris foetida, Calycotome villos, Paronychia argentea, Varthemia iphionoides, in addition to species that are genetic or edible sources such as: wild pear Pyrus syriaca, almond Amygdalum Allus communis, wild garlic