Below is an extensive reading list of books relating to Shakespeare, his use of plants and flowers and how you can create a Shakespeare garden.
Shakespeare's Flowers and Garden
Shakespeare’s Gardens (1864) Sidney Beisley
Natural History of Shakespeare: Being Selections of Flowers, Fruits and Animals (1877) Bessie Mayou
The Shakespeare Flora (1883) Leo H. Grindon
Folk-Lore of Shakespeare (1883) T. F. T. Dyer
The Plant-Lore and Garden-Craft of Shakespeare (1884) Henry N. Ellacombe
A History of Gardening in England (1895) Alicia Amherst
Shakespeare's Garden (1903) James Harvey Bloom
Shakespeare's Garden: With Reference To Over A Hundred Plants (1906) Leonard Holmesworthe
Flowers from Shakespeare's Garden (1906) Walter Crane
The Shakespeare Garden (1922) Esther Singleton
Shakespeare's Garden - Stratford Upon Avon - booklet (1922) Ernest Law
Shakespeare's Garden - Stratford Upon Avon - booklet (1922) Ernest Law
Flora and Folk-Lore of Shakespeare (1923) F. G. Savage
Shakespeare's Wild Flowers, Fairy Lore, Gardens, Herbs, Gatherers of Simples and Bee Lore (1935) Eleanour Sinclair Rohde
Shakespeare's Imagery and What it Tells Us (1935) Caroline Spurgeon
Shakespeare Gardens: Design, Plants, and Flower Lore (1937) Annie B. Carter
America's First Shakespeare Garden - booklet (1938) Edith Hubbart
The Shakespearean Gardens - booklet (1953) Levi Fox
America's First Shakespeare Garden - booklet (1938) Edith Hubbart
The Shakespearean Gardens - booklet (1953) Levi Fox
Shakespeare’s Flowers (1973) Jessica Kerr
Flowers and Trees of Tudor England (1972) Clare Putman
World of Shakespeare: Plants (1973) Alan Dent
Shakespearean Plant Names: Identifications and Interpretations (1978) Mats Ryden
The Flowers of Shakespeare (1980) Doris Hunt
Fantastic Garlands: An Anthology of Flowers and Plants from Shakespeare (1982) Lys De Bray
Shakespeare’s Flowers (1987) James A. Warner and Margaret J. White
A Illustrated Introduction to Shakespeare's Flowers - booklet (1990) Levi Fox
Shakespeare's Flowers (1994) Chronicle Books
Shakespeare's Flora and Fauna (1999) Trafalgar Square Publishing
Shakespeare’s Garden (1999) Nancy Shumaker Pallen
A Shakespearean Botanical (2005) Margaret Willes
Shakespeare in the Garden (2006) Mick Hales
A Gathering of Flowers from Shakespeare (2006) Gerard Brender a Brandis and David Hoeniger
Shakespeare's Medical Language: A Dictionary (2014) Sujata Iyengar
Shakespeare's Nature: From Cultivation to Culture (2014) Charlotte Scott
A Shakespearean Botanical (2015) Margaret Willes
Shakespeare's Plants and Gardens: A Dictionary (2016) Vivian Thomas and Nicki Faircloth
Shakespeare's Gardens (2016) Jackie Bennett
The Quest for Shakespeare's Garden (2017) Roy Strong
Botanical Shakespeare: An Illustrated Compendium of All the Flowers, Fruits, Herbs, Trees, Seeds, and Grasses Cited by the World's Greatest Playwright (2017) Gerit Quealy and Sumie Hasegawa Collins
A Illustrated Introduction to Shakespeare's Flowers - booklet (1990) Levi Fox
Shakespeare's Flowers (1994) Chronicle Books
Shakespeare's Flora and Fauna (1999) Trafalgar Square Publishing
Shakespeare’s Garden (1999) Nancy Shumaker Pallen
A Shakespearean Botanical (2005) Margaret Willes
Shakespeare in the Garden (2006) Mick Hales
A Gathering of Flowers from Shakespeare (2006) Gerard Brender a Brandis and David Hoeniger
Shakespeare's Medical Language: A Dictionary (2014) Sujata Iyengar
Shakespeare's Nature: From Cultivation to Culture (2014) Charlotte Scott
A Shakespearean Botanical (2015) Margaret Willes
Shakespeare's Plants and Gardens: A Dictionary (2016) Vivian Thomas and Nicki Faircloth
Shakespeare's Gardens (2016) Jackie Bennett
The Quest for Shakespeare's Garden (2017) Roy Strong
Botanical Shakespeare: An Illustrated Compendium of All the Flowers, Fruits, Herbs, Trees, Seeds, and Grasses Cited by the World's Greatest Playwright (2017) Gerit Quealy and Sumie Hasegawa Collins
Gerard's Herbal: John Gerard's Historie of Plantes (1597 and 1636 editions)
The Language of Flowers: With Illustrative Poetry (1839) Frederic Shoberl
Plant-Lore, Legends and Lyrics (1884) Richard Folkard
The Language of Flowers (2011) Mandy Kirkby
Garden Design
Herb Gardens of Delight (1974) Adelma G. Simons
Early English Gardens and Garden Books - booklet (1979) Ellen C. Eyler
Theme Gardens (1982) Barbara Damrosch
Herb Garden Design, chapter "A Shakespeare Garden" (2003) Ethne Clarke and Clive Nichols
Literature and Gardens
Wild Flowers in Literature (1934) Vernon Rendall
A Literary Herbal (1980) Avril Rodway
A Rose by Any Other Name: A Survey of Literary Flora from Shakespeare to Eco (1989) Robert F. Fleissrer
The Complete Language of Flowers: A Treasury in Verse and Prose (1998) Sheila Pickles
Pleasures of the Garden: A Literary Anthology (2014) Christina Hardyment