ferns and roses S/A Flashcards
how long ago do ferns predate?
mesozoic era, 360 million years ago
what are fern leaves called?
fronds
what is the fern stem called?
stripe
how can ferns be propagated?
-spore or spring division ; spore under fonds and contain sori
what are croziers?
- newly emerging fern leaves aka fiddleheads
- cue for ID
what are the 3 subdivision of ferns?
- ferns shed leaves in autumn
- ferns shed leaves below zero
- evergreen ferns
name 3 evergeen ferns
- asplenium scolopendrium
- Blechnum spicant
- Polystichum acrostichoides
sun- tolerant ferns?
- athyrium filix- femina
- Blechnum spicant
- Osmunda regalis ‘Purpurascens’
name 3 deciduous ferns
- athyrium filix- femina
- Athyrium niponicum ‘Pictum’
- Gymnocarpium dryopteris ‘Plumosum’
name 2 planting conditions roses need
- min 6 hours sunlight
2. soil with mixed organic method
what are the 2 main classes of roses
- bush: 1-6’ , no support
2. climbing: long canes, need support
how were hybrid tea roses created
-crossing wispy canes of tea rose with hybrid perpetual rose
what are floribundas a cross of
-hybrid tea rose and polyantha
describe how to prune rose
- canes killed by cold, disease and insects removed first followed by suckers below graft union
- cut all remaining canes to 12-15” aboveground
- cuts should be 1/4” above bud at 45 angle
- to encourage new growth away from centre , cut to outside bud
what would you do to get rid of caterpillars on your roses?
treat with Bt or remove by hand
