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Diomedes Botanical Garden

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Diomedes Botanical Garden (Greece)

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The Julia and Alexander N. Diomedes Botanical Garden in Haidari, Athens, is the largest botanical garden in the Eastern Mediterranean. It was established in 1952 following the legacy of Alexander Diomedes, a former Greek Prime Minister who bequeathed his fortune for its creation. Spanning approximately 186 hectares at the foot of Mount Aegaleo, the garden hosts over 2,500 plant species from across the globe. In addition to vast tracts of natural forest, the facility features themed sections including a medicinal plant garden, a historical section showcasing species mentioned in ancient Greek mythology, and an extensive rosarium. The garden serves as a major hub for botanical research, scientific documentation, and the conservation of endangered flora. Beyond its scientific role, it provides a vital green space and educational resource for the public, offering a sanctuary for local wildlife amidst the urban sprawl of the Greek capital.

Best time to visit & climate

The most pleasant time to visit is May, Sep, Oct.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °C91012152025282724191511
Rain mm66585330212012829496986

📋 Practical info

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Getting there
The garden is easily accessible by car or public transport in its suburban setting. The main entrance usually serves as the starting point for all walks through the plant collections.
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Best season
Spring is the most spectacular time to visit when the majority of plant species are in full bloom. Autumn also features pleasant temperatures for walking around the historical sections.
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Terrain & paths
The terrain consists of well-maintained, mostly flat or gently sloping paved and unpaved walking paths. It is generally very easy to navigate and suitable for visitors of all fitness levels.
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What to bring
Comfortable walking shoes are sufficient for the well-kept paths. Depending on the weather, a hat, sunscreen, or a light umbrella might be useful during longer walks in the open sections.
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Parking
Designated parking areas are typically provided near the main entrance gates for visitors arriving by private vehicle. Arriving early during peak seasons is usually advisable to secure a spot.
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Safety
Visitors should strictly respect the rules of the botanical garden, such as not picking flowers or stepping on the planted beds. The entire enclosed environment is very safe and controlled.
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Time needed
Visitors usually spend about two to three hours wandering through the extensive collections and historical sections, taking plenty of time to read the numerous informational botanical plaques.

Geography

Coordinates
38.01170, 23.64080

Facts

  • The garden covers a total land area of approximately 1,860,000 square meters.
  • The layout was originally designed by the German botanist H. Baurngarten.
  • It cultivates over 2,500 distinct plant species representative of five continents.
  • The historical section features plants cited in the works of ancient botanist Theophrastus.
  • The rosarium contains a collection of more than 100 different varieties of roses.
  • The garden is administered by a non-profit foundation associated with the University of Athens.

Explore nearby

Notable places around

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PeristeriPeristeri4 km · EExplore →
PetroupoliPetroupoli4 km · NEExplore →
NikaiaNikaia5 km · SExplore →
Aspropyrgos RefineryAspropyrgos Refinery5 km · NWExplore →
Agios Ioannis RentiAgios Ioannis Renti5 km · SEExplore →
Port of PiraeusPort of Piraeus7 km · SExplore →
Halivourgiki Steel MillHalivourgiki Steel Mill7 km · NWExplore →

Route planner — Car & Motorhome

Where do you start? We build the route here, with stops and country notes along the way.

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Sights in the town Diomedes Botanical Garden (6)

Diomedes Botanical Garden

Botanical garden in Haidari, near Athens, featuring a large plant collection.

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Fortification of Dafni Monastery🏰 castle

Fortification around Dafni monastery, medieval defensive wall.

Dafni Pan cave (Attica)

Cave in Attica, former sanctuary of Pan, located near Dafni monastery.

Park of Historic Remembrance and environmental consciousness🌳 park

Park in Chaidari, Attica, commemorating historical events and promoting environmental awareness.

Pikilo Oros

11 km long mountain range west of Athens, part of Mount Aigaleo, highest point Zacharitsa (452 m).

Sanctuary of Aphrodite

Ancient sanctuary of Aphrodite near Athens, archaeological site.

Sights nearby

Frequently asked questions

Where is the Diomedes Garden located?
In Haidari, a western suburb of Athens.
How large is the garden?
It covers about 186 hectares, making it the largest in the country.
Is there a collection of plants from the Bible?
Yes, there is a section with plants mentioned in mythology and the Bible.
Is there an entrance fee?
No, access to the botanical garden is usually free.
Is picnicking allowed?
No, picnics and pets are not allowed in the garden.
Diomedes Botanical Garden: where is it located?
Diomedes Botanical Garden is located in Greece.
Diomedes Botanical Garden: what is there to see?
Highlights include Diomedes Botanical Garden, Fortification of Dafni Monastery, Dafni Pan cave (Attica).
Diomedes Botanical Garden: when is the best time to visit?
The most pleasant time to visit is May, Sep, Oct.
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History & landmarks

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