405 Grasses and Bulbs Flashcards
When will a warm season grass start to grow
Once temperatures are above 10C
What do grasses provide to landscape
Winter interest, Movement, Vertical accent, and Erosion control.
Can grasses be used in containers
Yes
Do grasses provide a food source for birds
Yes
What is the culm in relation to grass anatomy
the stem
What is the auricle
The part of the blade that clasps the sheath
What does the ligule mean
Strap like or tongue like
Grass “leafs” are know as
Blades
The two types of grass inflorescences are
Spike and Panicle
What makes up the spikelet
Florets
The bottom of a floret is know as a
Glume
A floret is made up of what
1 lemma, 1 pelea, stigmas, filaments and anthers
The common name of Arrhenatherum elatius bulbosum is
Bulbous Oat Grass
The latin name of Feather Reed Grass is
Calamagrostis acutiflora
The latin name of Blue Fescue is
Festuca glauca
The common name of Helictotrichon sempervirens is
Blue Oat Grass
The latin name of Purple Moor grass is
Molinia caerulea
The latin name of Fountain Grass is
Pennisetum spp
The latin name of Tufted Hair Grass is
Deschampsia cespitosa
The latin name of Ribbon Grass is
Pharlaris arundinacea
Narcissus belongs to the family
AMARYLLIDACEAE
Allium belongs to the family
AMARYLLIDACEAE
Hyacinthus belongs to the family
ASPARAGACEAE
The latin name of Grape Hyacinth is
Muscari
Muscari beloings to the family
ASPARAGACEAE
The latin name for Siberian Squill is
Scilla
Scilla belongs to the family
ASPARAGACEAE
Dahlia belongs to the family
ASTERACEAE
Begonia tuberhybrida belongs to the family
BEGONIACEAE
Crocus belongs to the family
IRIDACEAE
Gladiolus belongs to the family
IRIDACEAE
Lilium belongs to the family
LILIACEAE
Tulipa cvs belong to the family
LILIACEAE
Which two grasses have stunning blue foliage
Festuca glauca & Helictotrichon sempervirens
What two grasses like moist soils
Molinia caerulea and Pennisetum setaceum
Which 2 grasses have striking vertical seed heads
Molinia caerulea,Calamagrostis acutiflora
Which grass is native and can be invasive
Phalaris arundinacea picta (Reed canary grass)
Rabbits like to eat these grasses
Festuca glauca & Arrhenatherum elatius bulbosum
Which 4 grasses are grown mostly for their showy seed heads
Molinia caerulea, Calamagrostis acutiflora, Hielictotrichon sempervirens and Deschampsia cespitosa ( Purple Moor, Feather Reed, Blue Oat, and Tufted Hair grass )
Which 2 grasses are used as clump forming border plants
Festuca glauca and Helictotrichon sempervirens (Blue Fescue and Blue Oat Grass)
Which grass has seed heads in 2 colours - white and purple red
Pennisetum spp (Fountain Grass)
Which grass prefers dappled shade and high humus soils
Purple Moor Grass (Molinia caerulea)
Which 2 grasses are semi evergreen and do not need to be cut back
Helictotrichon sempervirens, Festuca glauca (Blue Oat Grass and Blue Fescue)
Which grass makes and excellent winter feature
Feather Reed Grass
Which grass likes acidic soil
Molinia caerulea (Purple Moor Grass)
Which two grasses are grown for their variegated foliage
Molinia caerulea and Deschampsia cespitosa (Purple Moor and Tufted Hair grass)
Which grass has seed heads that rise above the foliage like a cloud
Deschampsia cespitosa (Tufted Hair Grass)
Which grass has some cvs that turn orange in fall
Molinia caerulea (Purple Moor)
A thin papery outgrowth at the junction of the blade and the sheath is known as
Ligule
The lower part of the blade that encircles the stem is known as
Sheath
The outer bract of the floret is known as
Lemma
Small clasping outgrowths at the leaf collar
Auricle
The 2 bracts that define the bottom of a spikelet are
Glumes
All the reproductive parts of a grass enclosed by 2 bracts
Floret
The inner bract of the floret is the
Palea
Made up of 2 glumes and one or more florets
Spikelet
The bristle on the end of the lemma
Awn
Which geophytes are corms
Crocus and Gladiolus
Which geophytes flowers emerge before the leaves
Crocus
Which geophyte’s comes in all colours even black
Tulipa. Dahlia
Which geophyte has a yellow trumpet flower
Narcissus
Which geophyte are the first to bloom in the spring
Crocus
Which geophyte has very showy flowers in umbels
Allium
Which geophyte is fall planted but is borderline hardy in Alberta
Hyacinthus
What is the most popular fall planted bulb
Tulipa
What geophyte has a tuberous root
Dahlia
Which geophyte has a white strip down each leaf
Crocus
Which two geophytes need to be staked
Gladiolus, Dahlia
Which bulb blooms from late August to frost
Gladiolus
Which geophyte is an aggressive reproducer
Muscari
What three bulbs can be used for naturalization
Muscari, Scilla and Crocus
What two geophytes are very fragrant
Hyacinthus and Lilium
Which bulb blooms from May to the end of June (with different cvs)
Tulipa
Which bulb will produce new leaves in the fall
Muscari
Which geophyte has sensitive leaves, that will brown if disturbed
Allium
Which geophyte can be forced in a pot but is often planted outside in Central Alberta
Hyacinthus
Which geophytes are spiring planted but their roots are dug up in fall
Dahlia, Gladiolus, Begonia
7 geophytes can be used as cut flowers, what are they
Narcissus, Allium, Tulipa, Dahlia, Gladiolus, Hyacinthus, Lilium
Which geophyte does best in part shade
Begonia
What is the process of forcing a bulb?
cold, moist stratification. 9-12weeks for large bulbs. 4-6 for small bulbs.
What is the difference between a bulb, a corm, and a tuber?
Bulb – scales, basal plate, tunic
Corm – basal plate tunic – no scales
tuber – no scales, no basal plate, no tunic
What should you do with a “bulbous” plant after it has finished blooming?
Leave the leaves on until they naturally die down.
How deep should bulbs be planted.
3x the size of the bulb from the base
Needs warm soil in spring
Narcissus
Would we treat Pennisetum setaceum as annual here in central Alberta?
Yes
A fine textured blue coloured ornamental grass used for the front of a border is
Festuca glauca
Does Helictotrichon sempervirens have stunning blue foliage?
Yes
Which grass has a cultivar with red/maroon coloured foliage
Fountain Grass (Pennisetum)
Which grass has foliage in variations of white, pink and green
Ribbon Grass (Phalaris arundinacea)
Can Ribbion Grass be invasive?
Yes
Does Deschampsia cespitosa do well in shadier locations
Yes
Does Fountain Grass have feathery seed heads in white or red?
Yes
Does Phalaris arundinacea picta have a sod forming habit
Yes
Which grass has problems with mice eating the more mature crowns in winter
Feather reed grass
Would you choose Arrhenatherum elatius bulbosum for an area that required a non invasive ground cover with a different colour foliage (other than plain green)
Yes
Which grass offers the strongest vertical accent in a grassbed
Calamagrostis acutiflora
What 2 types of inflorescence do grasses have
spike or panicle
Are Bulbous Oat Grass and Blue Fescue drought tolerant
Yes
A grass that has a cultivar that will turn orange in the fall and another cultivar with variegated foliage is
Molinia caerulea
How would you describe the flowering structure of Tufted Hair Grass
very fine airy panicle
When is the best time to divide grasses
when they are actively growing
What is the most popular grass in Alberta used in commercial as well as residential landscapes
Calamagrostis acutiflora
What grasses are semi- evergreen so should not be cut back
Blue Fescue and Blue Oat (Festuca glauca, Helictotrichon sempervirens)
Structurally what is the difference between a bulb and a corm
A corm does not have scale
Can Siberian Squill be mass planted around trees and shrubs or planted into lawns to create a more naturalized area
Yes
Do Gladiolus bloom very late in the summer and sometimes not at all in central Alberta
Yes
The storage “root” of a crocus is technically classified as a
Corm
Daffodils have what colour flowers
white, yellow, orange, and pink
How deep would you plant a tulip bulb outdoors in a sandy loam soil?
From the base of the bulb is 15 -20 cm below the surface of the soil
What would you do with a Dahlia after it has finished blooming?
wait for the leaves to die back, cut back, dig up, and store root
Which is the first flower to come up in the spring?
Crocus
Forcing bulbs is the process of
putting them in cold storage for the purpose of promoting flower
Do Hyacinths have really strong, almost intoxicating, fragrance?
Yes
Are hyacinth reliably hardy here in central Alberta?
No
When do asiatic lilies normally bloom?
mid summer (July/ August)
What is the most popular spring flowering bulb?
Tulip
What colour are the flowers of the Siberian Squill?
white, blue and pink
Which geophyte is not planted in fall
Dahlia
Do gladiolus make a good cut flower
Yes
Do begonia prefer part shade
Yes
Do Dahlia have a Tuberous root
Yes
Are Begonia tuberhybrida prone to powdery mildew
Yes
Do allium blubs bloom late into summer, often into August
Yes
