Following info comes from Mega 11.
Here's the Garderose.
Here's a shot of Pink firing her Stunner at Garderose.
4 Rangers were on the scene against Garderose.
Red tried using his Saber and broke Garderose's left arm off however
she was capable of rematerializing another arm.
Shibo/Lady Blue while fighting Yellow, she sends Yellow into some
twisted dimension of sorts where Yellow can be seen as a Giant as shown
The 4 Space Rangers decide to use their weapons in Booster Mode and
fired them at Garderose however they don't do any good against her.
Here's Giant Garderose.
They try using the Astro Megazord Saber on Garderose right away as
shown here and even though it
results in an explosion
she's still alive.
Here's a shot of the Giant battle after Garderose attacks the Astro
Here's a shot of the Yellow Ranger activating her Astro Blade.
Yellow defeats Shibo with her Astro Blade which causes damage to
Here's a shot of the Astro Megazord's Saber final attack against
Garderose. however her
destruction sequence wasn't the
same as all the other monsters.