1200: The lost gardens of Heligan was first built.1569: Sampson Tremayne completed purchase of Heligan.1603: William Tremayne built Heligan house in Jacobean style.1692: Sir John Tremayne rebuilt house in William and Mary style using Heligan bricks.
1766-1829: Henry Hawkins constructed network of rides around the Northern Gardens and throughout the estate.1829- 1851: Fully functioning Pineapple Pit, Heligan competes for biggest pine against other local estates. Bee Boles constructed. Home farm thriving.1813: Married Caroline Matilda Lemon.1832: The new Long Drive to Heligan House planted with Bethamia fragifera.1849: Cholera outbreak in Mevagissey.1851: Hooker Collection of rhododendrons secured for gardens.
1851-1901: Development of planting of Northern Gardens and Japanese Gardens using new, imported exotic species.1855: Paxton house built.1890s: John‟s son John Claude built Ravine.1896: Sundial Garden described as having, „‟The finest herbaceous boarder in England.‟1901-1914:Continuation of planting Japanese Garden.1905-1907:Davidia involucrata planted in Sundial Garden.1906-1907-Italian Garden built.
1914-1918-Shelterbelt trees cut for war effort.August 1914:Staff signed signatures on the wall of ThunderBox Room.1916-1919:Heligan House used as Convalescence Hospital for Officers.1920s-1930s:House tenanted out.1939-1945: American troops use Heligan House as base.1950s-1960s:House tenanted out.1973-1974:House converted into flats and sold off.
1990:Derelict gardens discovered by Tim Smit and John Willis (Tremayne descendant). John Nelson begins clearance. Philip McMillan Browse, then County Horticultural Advisor becomes involved in restoration. Clearance of Melon Yard. BTCV group clears Eastern and Western Rides.1991:Restoration of Italian Garden. BBC Gardeners World broadcasts from Heligan. Cornwall County Council planning permission given to open to the public. Grant Aid from Countryside Commission."Task Force Trees."The Times quote "The garden restoration of the century".1992:Lease signed between Tremayne Estate & Heligan Gardens Limited. Easter – Garden open to public. Replanted garden shelter belts. Restored Northern Summerhouse. Cleared overgrowth from Vegetable Garden.1993:Clearance of Top Lake in Jungle & building of the boardwalk. Restored structures in the Melon Yard.1994:Five Great Gardens of Cornwall founder member. Restoration of Flower Garden. First years planting in Vegetable Garden and Melon Yard. Acquired pineapple varieties for Pineapple Pit.1995:Which? Magazine quote "Most recommended garden". Country Life award "Gardener of the Year".
1996:Restored herbaceous border in Sundial Garden. The Good Garden Guide award "Outstanding Gardener of the Year".1997:Opening of Lost Valley & charcoal burning began. 6 part Channel 4 TV documentary, (later awarded Garden Programme of the Year). "The Lost Gardens of Heligan" by Tim Smit published. Hosted Centenary Spring Flower Show of Cornwall Garden Society. Eden project awarded Millennium funding at Heligan. Private visit from HRH Prince Charles, Duke of Cornwall. First fruiting of pineapples - One delivered to the Queen for her 50th Wedding Anniversary.1998:Pencalenick Glasshouse acquired & restored. Gold Medal at Hampton Court Palace Flower First fruits from new vines in vinery. Show. The Good Guide to Britain award "Garden of the Year". Wildlife survey begins on Heligan Estate. Heligan purchases Watering Lane Nursery for Eden Project. Ice sculpture exhibition commemorating lost gardeners on 80th Anniversary of armistice.1999:2nd Channel 4 TV series "Return to the Lost Gardens of Heligan", with book "The Complete Works – Secrets Locked in Silence. Partner in The Times "Grow Good Food Campaign". Cornish hedges re-laid in Wider Estate. Total eclipse of the sun. "Heligan Wild" book published.
2000:Partner in The Times „Grow Good Food Campaign". The Which? Guide to Tourist Attractions. "Best Outdoor Attractions" 5 star award winner. "The Heligan Vegetable Bible" by Philip McMillan Browse published. Opening of Butlers Path. Vegetable Garden cleared back to original size. First Heligan Harvest display.2001:The Eden Project opened. Tremayne Estate extends lease. Horsemoor Hide receives first "Live" images from bird boxes. Propagation from old camellias started. Rebuilding of Ravine rockery. "Heligan – a Celebration" by Sue Lewington published.2002:Queens Jubilee visit to Heligan stand at CGS Spring Flower Show at Trelissick. First barn owl chicks viewed on camera from Horsemoor Hide. Wood Project began. "A Taste of Heligan – vegetarian & fruit recipes" published. BBC Gardeners World vote Heligan "The Nations Favourite Garden".2003:"A taste of Heligan – best from the bakery" published. Propagation Unit opened. Radio Times "Britains finest garden". Heligan voted second only to Kew. Heligan Harvest" – Sue Lewington. Sponsorship of local wildlife Pathologist. Lobbs Farm Shop opens on site.2004:Jungle boardwalk totally re-built and extended. Carved Tree Ferns donated from Chelsea Flower Show for New Zealand garden. "A Taste of Heligan – meat, fish, chicken & game" published. Wildlife Walks start. Heligans first Bat Nights. First "Big Draw" event at Heligan.
2005:New look-out completed at top of Jungle. Entire refurbishment of Melon Yard. "Heligan – Fruit, Flowers and Herbs" by Philip McMillan Browse published. 3 millionth visitor arrived. Heligans first childrens book "The Mud Maid by Sandra Horn & Karen Popham published. "Heligan Days" by Mally Francis published. Heavy snow fall in November closes gardens for three days.2006:Heligan Wild Land Management practices implemented. "The Kitchen Gardens at Heligan – Lost Gardening Principles Rediscovered" published. "The Giant" children‟s book by Sandra Horn and Karen Popham published. Heligan Wildlife Project featured on BBC TV‟s Springwatch programme with Bill Oddie. New Heligan website goes live.2007:Thank You Cornwall offer brings 15,000 residents visiting Heligan for free over a 15 day period – initiative wins Cornwall Tourism Gold award. Creators of The Mud Maid and The Giant, Sue and Pete Hill install a new woodland sculpture – The Grey Lady – on the Woodland Walk. Access to a new section of the Georgian Ride in the Wider Estate is opened. Hannibal the Heligan Barn Owl eats his siblings alive on BBC Springwatch. Heligan features in Cbeebies Autumn watch.
2008:Heligan is granted National Collection Holder Status by Plant Heritage for collection: "Camellias and Rhododendrons Introduced to Heligan pre-1920". The Heligan Tearoom wins silver Café of the Year at the Cornish Tourism Awards. BBC Springwatch & Autumnwatch return for an update on Hannibal the Barn Owl. Heligan Wildlife: On Film is released on DVD to accompany the Heligan Wildlife guide. On-line travel site Trip Advisor votes Heligan in top ten gardens in Britain. The Telegraph places Heligan at number four of the ten best "Mothers Breaks". "Heligan History; Lost Gardens, Lost Gardeners" published.2009:New wildlife website heliganwild.com launched, web cams updated every 10 seconds. Pineapple Pits produce first fruit in 3 years. BTCV celebrates their 50th anniversary with a special event for volunteers and staff. Heligan History: Lost Gardens, Lost Gardeners book wins Holyer An Gof award in “Publications about a small area of Cornwall” category.„X-ray art‟ studio set up, images on display at Horsemoor Hide. Heligan is awarded a Gold Medal at the RHS Hampton Court Flower Show.The Future…:If you would like to know more about the history, restoration and current developments at Heligan, please visit out online shop for a list of Heligan books and DVD‟s.