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Postbag: Glenarm Castle

Kathy Clugston and her panel of green-fingered experts answer horticultural questions from Glenarm Castle, County Antrim.

Are sea shells good for keeping away pests? What citrus trees could I grow in minimal sunlight? How do I encourage an acorn seedling to continue germinating?

Kathy Clugston and the GQT panellists are in the grounds of Glenarm Castle in County Antrim, to answer horticultural queries sent in by the audience. On hand with some tips and tricks are garden designers Neil Porteous and Kirsty Wilson, and self proclaimed botanical geek James Wong.

Also, leading the team on a tour around the entire castle grounds is Adrian Morrow.

Producer: Dan Cocker

Assistant Producer: Rahnee Prescod

Executive Producer: Hannah Newton

A Somethin' Else production for BBC Radio 4

Available now

42 minutes

Last on

Sun 9 Jul 202314:00

Plant List

Questions and timecodes are below. Where applicable, plant names have been provided.

Q – Could you recommend some magnolias that can withstand the cold?

(4 minutes 31 seconds) 

Neil –

Magnolia x veitchii

Magnolia 'Star Wars'

Kirsty –

Susan

Magnolia Stellata

James –

Magnolia grandiflora

Q – Are seashells great for keeping away pests?

(7 minutes 48 seconds) 

Q – What can I plant against a sea wall that could survive the sea waves on the coast?

(10 minutes 41 seconds)

Kirsty –

Griselinialittoralis

James –

Griselinialittoralis

Neil –

Metrosideros umbellate (Southern Rata)

veronica x franciscana

Q – Will my mature Cordyline Australis survive pruning?

(14 minutes 24 seconds)

Q – What Citrus trees can I grow in doors with minimal sunlight?

(17 minutes 35 seconds)

Neil –

Lemon Tree

Orange Tree

James –

Calamansi Tree

Kirsty –

Lime Tree

Q – How do I save my Aloe Vera plant that’s broken at the stem?

(20 minutes 48 seconds)

Q – What house plants could I have that survive in house minimal sunlight?

(22 minutes 54 seconds)

Neil –

Philodendron

Wodyetia bifurcata

Kirsty –

Ferns

James –

Peacock Spikemoss

Selaginella Unicata

Peacock begonia

Q –How do I encourage an acorn seedling to continue germinating?

(26 minutes 24 seconds)

Q – Could you recommend some climbing plants that can be grown in containers and pollinator friendly?

(32 minutes 21 seconds)

Kirsty –

Sweet Peas

Cup and Saucer plant

Neil –

Schizophragma

Schizophragma integrifolium var fauriei

Schizophragma hydrangeoides

James –

Jasminum polyanthum (jasmine)

Q – What’s the best time to cut Hawthorn to increase the amount of blossom?

(36 mins 01 seconds)

Q – Why are my fully grown chillies not producing enough spice?

(38 mins 37 seconds)

James –

Trinidad Scorpion

Trinidad Perfume

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