If it is used as a title of the greeting card then it should be capitalized.
It should be --- Holiday Season.
Holiday season shouldn't be capitalized. Unless, of course, it's the beginning of a sentence like it was in this answer.
If you are writing something with a title, you would capitalize Happy Holiday Season in the title. If you are writing it in something other than a title, you would not capitalize it.
Yes, it is capitalized because it's a season or an event recognized by different cultural groups. Almost like a holiday.
When it is used as a proper nou n as i n Vetera n's Day, a n official US holiday.
No, you do not capitalize the second word in the complimentary closing.
No. It's not necessary.
If you are writing something with a title, you would capitalize Happy Holiday Season in the title. If you are writing it in something other than a title, you would not capitalize it.
You may capitalize the word "holiday" if it is the first word in a sentence; such as "Holidays are a time of celebration." You can also capitalize it if it's the title of something, or; however unlikely it may be, if it's someone's name. Examples for these would be a story entitled "My Holiday in Tokyo", or "My dog's name is Holiday." When expressed as a greeting, "Happy Holidays" is capitalized.
Yes, it is capitalized because it's a season or an event recognized by different cultural groups. Almost like a holiday.
i think.
At the beginning of the sentence or when it forms part of the proper noun or when it is used in the title. Example: Warm this Season
When it is used as a proper nou n as i n Vetera n's Day, a n official US holiday.
do you capitalize the word protestant
No, "holy season" does not require to be capitalized.
It is not necessary to capitalize the word "yo".
No, you do not capitalize the word drama.
how has the holiday shopping season affected Thanksgiving traditions?
Yes, you must capitalize the first word, UNLESS it is a small word, such as "It" or "A" or "The".