Sidmouth

Q1 – “Is there a place for sawdust in the vegetable garden?”

Pippa Greenwood

• Leek (Allium ampeloprasum Group) 

Q2 – “Why won’t my Hesperantha flower?”

Question Context

• Hesperantha coccinea 'Major' 

Q3 – “Can my mimosa be encouraged to grow upright?”

Question Context

• Mimosa (Acacia dealbata)

Pippa Greenwood

• Hazel (Corylus avellana)• Apple (Malus domestica)

Matthew Pottage

• Acacia dealbata, silver wattle• Acacia pravissima 

Q4 – “Could I grow a wedding cake tree in an exposed Dartmoor garden?”

Audience Context

• Walnut (Juglans regia)• Pear (Pyrus communis)• Apple (Malus domestica)• Flowering cherry (Prunus cultivars)• Silver birch (Betula pendula)

Anne Swithinbank

• Cornus controversa 'Variegata', wedding cake tree

Matthew Pottage

• Cornus controversa 'Variegata', wedding cake tree• Cornus alternifolia 'Argentea'• Cornus controversa 

Q5 – “Can I propagate side shoots from my tree fern?”

Audience Context

• Dicksonia antarctica, soft tree fern

Pippa Greenwood

• Dicksonia antarctica, soft tree fern

Matthew Pottage

• Dicksonia antarctica, soft tree fern• Dryopteris spp., male fern and allies †• Dicksonia squarrosa, wheki tree fern

Uncertainty: Matthew identifies the likely volunteer fern as a Dryopteris species, but does not specify which. Listing at genus level is safest.

Feature – Tree Succession Planning at Chelsea Physic Garden

Emily Hazell

• Pomegranate (Punica granatum)• Cork oak (Quercus suber)• Holm oak (Quercus ilex)• Grapefruit (Citrus × paradisi)• Avocado (Persea americana)• Canary Island date palm (Phoenix canariensis)• Iochroma (Iochroma spp.) †• Oreolarynx spp. †

Uncertainty: The transcript appears to render one plant name as "arealarinx". Audio verification required. It may be Oreolarynx or another genus.

Matthew Pottage

No additional plant recommendations.

Q6 – “Should I keep my Rhododendron ponticum?”

Question Context

• Rhododendron ponticum

Anne Swithinbank

• Buddleia (Buddleja spp.)• Rosa rugosa, rugosa rose

Matthew Pottage

• Cyclamen (Cyclamen spp.)• Flowering bulbs (various species)

Diseases Mentioned

• Phytophthora ramorum, sudden oak death 

Q7 – “Why do my allotment tomatoes always get blight?”

Audience Context

• Tomato (Solanum lycopersicum)

Pippa Greenwood

• Tomato (Solanum lycopersicum)• Potato (Solanum tuberosum)• Aubergine (Solanum melongena)• Tomato 'Lissetto' 

Q8 – “Why won’t my Hoya carnosa flower?”

Question Context

• Hoya carnosa, wax plant 

Q9 – “Is there a cure for an obsession with Artemisia?”

Audience Context

• Artemisia spp.

John Twibell

• Artemisia 'Powis Castle'• Artemisia annua, sweet wormwood

Matthew Pottage

• Sansevieria cultivars (now Dracaena trifasciata cultivars), mother-in-law's tongue

Anne Swithinbank

• Haemanthus spp., paintbrush lily