More limericks with very strict rules and I'm standing by with a metre stick ;)

VB000
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A new thread is tricky to start

A new thread is tricky to start
You can do it-you’re very smart

A new thread is tricky to start
You can do it-you’re very smart
Or sometimes get lucky

A new thread is tricky to start
You can do it-you’re very smart
Or sometimes get lucky
Or just be plucky

It is such a very fine art.

At last may has arrived in glory,

At last may has arrived in glory,
Turn the page on Nature's Story,

At last may has arrived in glory,
Turn the page on Nature's Story,
Blossoms abundant

At last may has arrived in glory,
Turn the page on Nature's Story,
Blossoms abundant
Winter's redundant

At last may has arrived in glory,
Turn the page on Nature's Story,
Blossoms abundant
Winter's redundant
Until the clouds unleash full fury

Strolling through the park in Spring,

The bluebells smell sweet, but don’t ring

Sorry
Strolling through the park in Spring,
The bluebells smell sweet, but don’t ring

They do look so pretty,

Strolling through the park in Spring,
The bluebells smell sweet, but don’t ring
They do look so pretty
So here’s our ditty

Strolling through the park in Spring,
The bluebells smell sweet, but don’t ring
They do look so pretty
So here’s our ditty
I sound like a real ding-a-ling!

Now, here's a more dignified rhyme

Now, here's a more dignified rhyme
Shall we turn to topics sublime?

Now, here’s a more dignified rhyme
Shall we turn to topics sublime?
Like beauty and art

Now, here’s a more dignified rhyme
Shall we turn to topics sublime?
Like beauty and art
Oh where shall I start

Now, here’s a more dignified rhyme
Shall we turn to topics sublime?
Like beauty and art
Oh where shall I start
Dame Edna was great in her prime!

Humminbirds always amaze

Humminbirds always amaze
Their hovering is worth a gaze

Hummingbirds always amaze
Their hovering is worth a gaze
Colours so bright

Hummingbirds always amaze
Their hovering is worth a gaze
Colours so bright
Tiny rainbows of light.

Hummingbirds always amaze
Their hovering is worth a gaze
Colours so bright
Tiny rainbows of light.
Wish they’d make my garden their base.

Sadly, there’s not much happening here

Sadly, there’s not much happening here
Metre sticks must be causing fear